Home / 90,772.23-125,247.75-54,965.58

Finding the Fourth Proportional to 90,772.23, 125,247.75 and 54,965.58

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Solution

The fourth proportional to 90,772.23, 125,247.75 and 54,965.58 is: 75,841.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,772.23 : 125,247.75 = 54,965.58 : x
  2. Step 2: Convert to fraction form
    90,772.23/125,247.75 = 54,965.58/x
  3. Step 3: Cross multiply
    90,772.23x = 125,247.75 × 54,965.58
  4. Step 4: Simplify right side
    90,772.23x = 6,884,315,222.45
  5. Step 5: Solve for x
    x = 6,884,315,222.45/90,772.23
  6. Step 6: Final answer
    x = 75,841.64

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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.