Home / 87,036.75-120,104.19-49,310.19

Finding the Fourth Proportional to 87,036.75, 120,104.19 and 49,310.19

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Solution

The fourth proportional to 87,036.75, 120,104.19 and 49,310.19 is: 68,044.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,036.75 : 120,104.19 = 49,310.19 : x
  2. Step 2: Convert to fraction form
    87,036.75/120,104.19 = 49,310.19/x
  3. Step 3: Cross multiply
    87,036.75x = 120,104.19 × 49,310.19
  4. Step 4: Simplify right side
    87,036.75x = 5,922,360,428.70
  5. Step 5: Solve for x
    x = 5,922,360,428.70/87,036.75
  6. Step 6: Final answer
    x = 68,044.37

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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.