Home / 79,499.38-109,709.04-43,691.66

Finding the Fourth Proportional to 79,499.38, 109,709.04 and 43,691.66

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Solution

The fourth proportional to 79,499.38, 109,709.04 and 43,691.66 is: 60,294.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,499.38 : 109,709.04 = 43,691.66 : x
  2. Step 2: Convert to fraction form
    79,499.38/109,709.04 = 43,691.66/x
  3. Step 3: Cross multiply
    79,499.38x = 109,709.04 × 43,691.66
  4. Step 4: Simplify right side
    79,499.38x = 4,793,370,074.61
  5. Step 5: Solve for x
    x = 4,793,370,074.61/79,499.38
  6. Step 6: Final answer
    x = 60,294.43

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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.