Home / 87,370.52-120,572.16-49,645.04

Finding the Fourth Proportional to 87,370.52, 120,572.16 and 49,645.04

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Solution

The fourth proportional to 87,370.52, 120,572.16 and 49,645.04 is: 68,510.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,370.52 : 120,572.16 = 49,645.04 : x
  2. Step 2: Convert to fraction form
    87,370.52/120,572.16 = 49,645.04/x
  3. Step 3: Cross multiply
    87,370.52x = 120,572.16 × 49,645.04
  4. Step 4: Simplify right side
    87,370.52x = 5,985,809,706.09
  5. Step 5: Solve for x
    x = 5,985,809,706.09/87,370.52
  6. Step 6: Final answer
    x = 68,510.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.