Home / 87,751.76-131,544.61-54,038.49

Finding the Fourth Proportional to 87,751.76, 131,544.61 and 54,038.49

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Solution

The fourth proportional to 87,751.76, 131,544.61 and 54,038.49 is: 81,006.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,751.76 : 131,544.61 = 54,038.49 : x
  2. Step 2: Convert to fraction form
    87,751.76/131,544.61 = 54,038.49/x
  3. Step 3: Cross multiply
    87,751.76x = 131,544.61 × 54,038.49
  4. Step 4: Simplify right side
    87,751.76x = 7,108,472,203.59
  5. Step 5: Solve for x
    x = 7,108,472,203.59/87,751.76
  6. Step 6: Final answer
    x = 81,006.61

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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.