Home / 87,862.65-131,848.11-34,545.25

Finding the Fourth Proportional to 87,862.65, 131,848.11 and 34,545.25

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Solution

The fourth proportional to 87,862.65, 131,848.11 and 34,545.25 is: 51,839.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,862.65 : 131,848.11 = 34,545.25 : x
  2. Step 2: Convert to fraction form
    87,862.65/131,848.11 = 34,545.25/x
  3. Step 3: Cross multiply
    87,862.65x = 131,848.11 × 34,545.25
  4. Step 4: Simplify right side
    87,862.65x = 4,554,725,921.98
  5. Step 5: Solve for x
    x = 4,554,725,921.98/87,862.65
  6. Step 6: Final answer
    x = 51,839.16

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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.