Home / 87,496.54-131,265.72-28,332.28

Finding the Fourth Proportional to 87,496.54, 131,265.72 and 28,332.28

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Solution

The fourth proportional to 87,496.54, 131,265.72 and 28,332.28 is: 42,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,496.54 : 131,265.72 = 28,332.28 : x
  2. Step 2: Convert to fraction form
    87,496.54/131,265.72 = 28,332.28/x
  3. Step 3: Cross multiply
    87,496.54x = 131,265.72 × 28,332.28
  4. Step 4: Simplify right side
    87,496.54x = 3,719,057,133.44
  5. Step 5: Solve for x
    x = 3,719,057,133.44/87,496.54
  6. Step 6: Final answer
    x = 42,505.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.