Home / 87,045.76-130,547.52-40,253.92

Finding the Fourth Proportional to 87,045.76, 130,547.52 and 40,253.92

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Solution

The fourth proportional to 87,045.76, 130,547.52 and 40,253.92 is: 60,371.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,045.76 : 130,547.52 = 40,253.92 : x
  2. Step 2: Convert to fraction form
    87,045.76/130,547.52 = 40,253.92/x
  3. Step 3: Cross multiply
    87,045.76x = 130,547.52 × 40,253.92
  4. Step 4: Simplify right side
    87,045.76x = 5,255,049,426.28
  5. Step 5: Solve for x
    x = 5,255,049,426.28/87,045.76
  6. Step 6: Final answer
    x = 60,371.11

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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.