Home / 87,869.94-131,546.52-54,482.82

Finding the Fourth Proportional to 87,869.94, 131,546.52 and 54,482.82

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Solution

The fourth proportional to 87,869.94, 131,546.52 and 54,482.82 is: 81,564.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,869.94 : 131,546.52 = 54,482.82 : x
  2. Step 2: Convert to fraction form
    87,869.94/131,546.52 = 54,482.82/x
  3. Step 3: Cross multiply
    87,869.94x = 131,546.52 × 54,482.82
  4. Step 4: Simplify right side
    87,869.94x = 7,167,025,370.79
  5. Step 5: Solve for x
    x = 7,167,025,370.79/87,869.94
  6. Step 6: Final answer
    x = 81,564.02

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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.