Home / 87,495.04-131,263.46-28,330.78

Finding the Fourth Proportional to 87,495.04, 131,263.46 and 28,330.78

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Solution

The fourth proportional to 87,495.04, 131,263.46 and 28,330.78 is: 42,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,495.04 : 131,263.46 = 28,330.78 : x
  2. Step 2: Convert to fraction form
    87,495.04/131,263.46 = 28,330.78/x
  3. Step 3: Cross multiply
    87,495.04x = 131,263.46 × 28,330.78
  4. Step 4: Simplify right side
    87,495.04x = 3,718,796,207.30
  5. Step 5: Solve for x
    x = 3,718,796,207.30/87,495.04
  6. Step 6: Final answer
    x = 42,502.94

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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.