Home / 87,508.36-131,289.77-31,348.95

Finding the Fourth Proportional to 87,508.36, 131,289.77 and 31,348.95

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Solution

The fourth proportional to 87,508.36, 131,289.77 and 31,348.95 is: 47,033.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,508.36 : 131,289.77 = 31,348.95 : x
  2. Step 2: Convert to fraction form
    87,508.36/131,289.77 = 31,348.95/x
  3. Step 3: Cross multiply
    87,508.36x = 131,289.77 × 31,348.95
  4. Step 4: Simplify right side
    87,508.36x = 4,115,796,513.61
  5. Step 5: Solve for x
    x = 4,115,796,513.61/87,508.36
  6. Step 6: Final answer
    x = 47,033.18

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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.