Home / 87,548.74-131,396.58-45,454.66

Finding the Fourth Proportional to 87,548.74, 131,396.58 and 45,454.66

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Solution

The fourth proportional to 87,548.74, 131,396.58 and 45,454.66 is: 68,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,548.74 : 131,396.58 = 45,454.66 : x
  2. Step 2: Convert to fraction form
    87,548.74/131,396.58 = 45,454.66/x
  3. Step 3: Cross multiply
    87,548.74x = 131,396.58 × 45,454.66
  4. Step 4: Simplify right side
    87,548.74x = 5,972,586,869.06
  5. Step 5: Solve for x
    x = 5,972,586,869.06/87,548.74
  6. Step 6: Final answer
    x = 68,220.14

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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.