Home / 90,732.11-125,210.36-52,496.87

Finding the Fourth Proportional to 90,732.11, 125,210.36 and 52,496.87

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Solution

The fourth proportional to 90,732.11, 125,210.36 and 52,496.87 is: 72,445.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,732.11 : 125,210.36 = 52,496.87 : x
  2. Step 2: Convert to fraction form
    90,732.11/125,210.36 = 52,496.87/x
  3. Step 3: Cross multiply
    90,732.11x = 125,210.36 × 52,496.87
  4. Step 4: Simplify right side
    90,732.11x = 6,573,151,729.09
  5. Step 5: Solve for x
    x = 6,573,151,729.09/90,732.11
  6. Step 6: Final answer
    x = 72,445.71

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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.