Home / 87,495.30-131,263.74-28,330.92

Finding the Fourth Proportional to 87,495.30, 131,263.74 and 28,330.92

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Solution

The fourth proportional to 87,495.30, 131,263.74 and 28,330.92 is: 42,503.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,495.30 : 131,263.74 = 28,330.92 : x
  2. Step 2: Convert to fraction form
    87,495.30/131,263.74 = 28,330.92/x
  3. Step 3: Cross multiply
    87,495.30x = 131,263.74 × 28,330.92
  4. Step 4: Simplify right side
    87,495.30x = 3,718,822,516.84
  5. Step 5: Solve for x
    x = 3,718,822,516.84/87,495.30
  6. Step 6: Final answer
    x = 42,503.11

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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.