Home / 87,814.88-121,102.29-58,294.41

Finding the Fourth Proportional to 87,814.88, 121,102.29 and 58,294.41

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Solution

The fourth proportional to 87,814.88, 121,102.29 and 58,294.41 is: 80,391.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,814.88 : 121,102.29 = 58,294.41 : x
  2. Step 2: Convert to fraction form
    87,814.88/121,102.29 = 58,294.41/x
  3. Step 3: Cross multiply
    87,814.88x = 121,102.29 × 58,294.41
  4. Step 4: Simplify right side
    87,814.88x = 7,059,586,545.20
  5. Step 5: Solve for x
    x = 7,059,586,545.20/87,814.88
  6. Step 6: Final answer
    x = 80,391.69

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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.