Home / 87,569.88-131,353.41-59,419.92

Finding the Fourth Proportional to 87,569.88, 131,353.41 and 59,419.92

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Solution

The fourth proportional to 87,569.88, 131,353.41 and 59,419.92 is: 89,128.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,569.88 : 131,353.41 = 59,419.92 : x
  2. Step 2: Convert to fraction form
    87,569.88/131,353.41 = 59,419.92/x
  3. Step 3: Cross multiply
    87,569.88x = 131,353.41 × 59,419.92
  4. Step 4: Simplify right side
    87,569.88x = 7,805,009,113.93
  5. Step 5: Solve for x
    x = 7,805,009,113.93/87,569.88
  6. Step 6: Final answer
    x = 89,128.92

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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.