Home / 87,535.08-131,288.04-31,363.20

Finding the Fourth Proportional to 87,535.08, 131,288.04 and 31,363.20

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Solution

The fourth proportional to 87,535.08, 131,288.04 and 31,363.20 is: 47,039.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,535.08 : 131,288.04 = 31,363.20 : x
  2. Step 2: Convert to fraction form
    87,535.08/131,288.04 = 31,363.20/x
  3. Step 3: Cross multiply
    87,535.08x = 131,288.04 × 31,363.20
  4. Step 4: Simplify right side
    87,535.08x = 4,117,613,056.13
  5. Step 5: Solve for x
    x = 4,117,613,056.13/87,535.08
  6. Step 6: Final answer
    x = 47,039.58

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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.