Home / 87,557.61-120,832.38-49,317.87

Finding the Fourth Proportional to 87,557.61, 120,832.38 and 49,317.87

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Solution

The fourth proportional to 87,557.61, 120,832.38 and 49,317.87 is: 68,060.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,557.61 : 120,832.38 = 49,317.87 : x
  2. Step 2: Convert to fraction form
    87,557.61/120,832.38 = 49,317.87/x
  3. Step 3: Cross multiply
    87,557.61x = 120,832.38 × 49,317.87
  4. Step 4: Simplify right side
    87,557.61x = 5,959,195,608.63
  5. Step 5: Solve for x
    x = 5,959,195,608.63/87,557.61
  6. Step 6: Final answer
    x = 68,060.28

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1.5x scale

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.