Home / 87,338.93-120,540.45-49,101.63

Finding the Fourth Proportional to 87,338.93, 120,540.45 and 49,101.63

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Solution

The fourth proportional to 87,338.93, 120,540.45 and 49,101.63 is: 67,767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,338.93 : 120,540.45 = 49,101.63 : x
  2. Step 2: Convert to fraction form
    87,338.93/120,540.45 = 49,101.63/x
  3. Step 3: Cross multiply
    87,338.93x = 120,540.45 × 49,101.63
  4. Step 4: Simplify right side
    87,338.93x = 5,918,732,308.04
  5. Step 5: Solve for x
    x = 5,918,732,308.04/87,338.93
  6. Step 6: Final answer
    x = 67,767.41

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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.