Home / 87,703.14-131,574.15-40,930.50

Finding the Fourth Proportional to 87,703.14, 131,574.15 and 40,930.50

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Solution

The fourth proportional to 87,703.14, 131,574.15 and 40,930.50 is: 61,404.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,703.14 : 131,574.15 = 40,930.50 : x
  2. Step 2: Convert to fraction form
    87,703.14/131,574.15 = 40,930.50/x
  3. Step 3: Cross multiply
    87,703.14x = 131,574.15 × 40,930.50
  4. Step 4: Simplify right side
    87,703.14x = 5,385,395,746.58
  5. Step 5: Solve for x
    x = 5,385,395,746.58/87,703.14
  6. Step 6: Final answer
    x = 61,404.82

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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.