Home / 87,264.23-120,424.41-49,024.85

Finding the Fourth Proportional to 87,264.23, 120,424.41 and 49,024.85

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Solution

The fourth proportional to 87,264.23, 120,424.41 and 49,024.85 is: 67,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,264.23 : 120,424.41 = 49,024.85 : x
  2. Step 2: Convert to fraction form
    87,264.23/120,424.41 = 49,024.85/x
  3. Step 3: Cross multiply
    87,264.23x = 120,424.41 × 49,024.85
  4. Step 4: Simplify right side
    87,264.23x = 5,903,788,034.47
  5. Step 5: Solve for x
    x = 5,903,788,034.47/87,264.23
  6. Step 6: Final answer
    x = 67,654.16

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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.