Home / 79,353.53-109,559.17-49,170.88

Finding the Fourth Proportional to 79,353.53, 109,559.17 and 49,170.88

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Solution

The fourth proportional to 79,353.53, 109,559.17 and 49,170.88 is: 67,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,353.53 : 109,559.17 = 49,170.88 : x
  2. Step 2: Convert to fraction form
    79,353.53/109,559.17 = 49,170.88/x
  3. Step 3: Cross multiply
    79,353.53x = 109,559.17 × 49,170.88
  4. Step 4: Simplify right side
    79,353.53x = 5,387,120,800.97
  5. Step 5: Solve for x
    x = 5,387,120,800.97/79,353.53
  6. Step 6: Final answer
    x = 67,887.60

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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.