Home / 86,472.72-129,709.44-24,143.04

Finding the Fourth Proportional to 86,472.72, 129,709.44 and 24,143.04

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Solution

The fourth proportional to 86,472.72, 129,709.44 and 24,143.04 is: 36,214.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,472.72 : 129,709.44 = 24,143.04 : x
  2. Step 2: Convert to fraction form
    86,472.72/129,709.44 = 24,143.04/x
  3. Step 3: Cross multiply
    86,472.72x = 129,709.44 × 24,143.04
  4. Step 4: Simplify right side
    86,472.72x = 3,131,580,198.30
  5. Step 5: Solve for x
    x = 3,131,580,198.30/86,472.72
  6. Step 6: Final answer
    x = 36,214.66

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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.