Home / 80,278.24-120,373.52-63,744.48

Finding the Fourth Proportional to 80,278.24, 120,373.52 and 63,744.48

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Solution

The fourth proportional to 80,278.24, 120,373.52 and 63,744.48 is: 95,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,278.24 : 120,373.52 = 63,744.48 : x
  2. Step 2: Convert to fraction form
    80,278.24/120,373.52 = 63,744.48/x
  3. Step 3: Cross multiply
    80,278.24x = 120,373.52 × 63,744.48
  4. Step 4: Simplify right side
    80,278.24x = 7,673,147,438.17
  5. Step 5: Solve for x
    x = 7,673,147,438.17/80,278.24
  6. Step 6: Final answer
    x = 95,581.91

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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.