Home / 87,665.01-120,948.17-49,912.53

Finding the Fourth Proportional to 87,665.01, 120,948.17 and 49,912.53

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Solution

The fourth proportional to 87,665.01, 120,948.17 and 49,912.53 is: 68,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,665.01 : 120,948.17 = 49,912.53 : x
  2. Step 2: Convert to fraction form
    87,665.01/120,948.17 = 49,912.53/x
  3. Step 3: Cross multiply
    87,665.01x = 120,948.17 × 49,912.53
  4. Step 4: Simplify right side
    87,665.01x = 6,036,828,914.01
  5. Step 5: Solve for x
    x = 6,036,828,914.01/87,665.01
  6. Step 6: Final answer
    x = 68,862.47

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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.