Home / 90,684.49-125,108.76-52,437.01

Finding the Fourth Proportional to 90,684.49, 125,108.76 and 52,437.01

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Solution

The fourth proportional to 90,684.49, 125,108.76 and 52,437.01 is: 72,342.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,684.49 : 125,108.76 = 52,437.01 : x
  2. Step 2: Convert to fraction form
    90,684.49/125,108.76 = 52,437.01/x
  3. Step 3: Cross multiply
    90,684.49x = 125,108.76 × 52,437.01
  4. Step 4: Simplify right side
    90,684.49x = 6,560,329,299.21
  5. Step 5: Solve for x
    x = 6,560,329,299.21/90,684.49
  6. Step 6: Final answer
    x = 72,342.35

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Half scale
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Double scale
Find fourth proportional to 90,685.49, 125,110.14 and 52,438.01
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.