Home / 87,502.60-131,351.10-54,260.20

Finding the Fourth Proportional to 87,502.60, 131,351.10 and 54,260.20

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Solution

The fourth proportional to 87,502.60, 131,351.10 and 54,260.20 is: 81,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,502.60 : 131,351.10 = 54,260.20 : x
  2. Step 2: Convert to fraction form
    87,502.60/131,351.10 = 54,260.20/x
  3. Step 3: Cross multiply
    87,502.60x = 131,351.10 × 54,260.20
  4. Step 4: Simplify right side
    87,502.60x = 7,127,136,956.22
  5. Step 5: Solve for x
    x = 7,127,136,956.22/87,502.60
  6. Step 6: Final answer
    x = 81,450.57

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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.