Home / 87,862.40-131,847.74-34,545

Finding the Fourth Proportional to 87,862.40, 131,847.74 and 34,545

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Solution

The fourth proportional to 87,862.40, 131,847.74 and 34,545 is: 51,838.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,862.40 : 131,847.74 = 34,545 : x
  2. Step 2: Convert to fraction form
    87,862.40/131,847.74 = 34,545/x
  3. Step 3: Cross multiply
    87,862.40x = 131,847.74 × 34,545
  4. Step 4: Simplify right side
    87,862.40x = 4,554,680,005.58
  5. Step 5: Solve for x
    x = 4,554,680,005.58/87,862.40
  6. Step 6: Final answer
    x = 51,838.79

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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.