Home / 87,532.95-120,650.25-62,006.55

Finding the Fourth Proportional to 87,532.95, 120,650.25 and 62,006.55

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Solution

The fourth proportional to 87,532.95, 120,650.25 and 62,006.55 is: 85,466.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,532.95 : 120,650.25 = 62,006.55 : x
  2. Step 2: Convert to fraction form
    87,532.95/120,650.25 = 62,006.55/x
  3. Step 3: Cross multiply
    87,532.95x = 120,650.25 × 62,006.55
  4. Step 4: Simplify right side
    87,532.95x = 7,481,105,759.14
  5. Step 5: Solve for x
    x = 7,481,105,759.14/87,532.95
  6. Step 6: Final answer
    x = 85,466.17

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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.