Home / 87,332.27-130,985.64-42,947.10

Finding the Fourth Proportional to 87,332.27, 130,985.64 and 42,947.10

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Solution

The fourth proportional to 87,332.27, 130,985.64 and 42,947.10 is: 64,414.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,332.27 : 130,985.64 = 42,947.10 : x
  2. Step 2: Convert to fraction form
    87,332.27/130,985.64 = 42,947.10/x
  3. Step 3: Cross multiply
    87,332.27x = 130,985.64 × 42,947.10
  4. Step 4: Simplify right side
    87,332.27x = 5,625,453,379.64
  5. Step 5: Solve for x
    x = 5,625,453,379.64/87,332.27
  6. Step 6: Final answer
    x = 64,414.38

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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.