Home / 87,441.17-130,890.25-47,360.61

Finding the Fourth Proportional to 87,441.17, 130,890.25 and 47,360.61

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Solution

The fourth proportional to 87,441.17, 130,890.25 and 47,360.61 is: 70,893.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,441.17 : 130,890.25 = 47,360.61 : x
  2. Step 2: Convert to fraction form
    87,441.17/130,890.25 = 47,360.61/x
  3. Step 3: Cross multiply
    87,441.17x = 130,890.25 × 47,360.61
  4. Step 4: Simplify right side
    87,441.17x = 6,199,042,083.05
  5. Step 5: Solve for x
    x = 6,199,042,083.05/87,441.17
  6. Step 6: Final answer
    x = 70,893.86

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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.