Home / 79,349.28-109,500.12-43,538.96

Finding the Fourth Proportional to 79,349.28, 109,500.12 and 43,538.96

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Solution

The fourth proportional to 79,349.28, 109,500.12 and 43,538.96 is: 60,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,349.28 : 109,500.12 = 43,538.96 : x
  2. Step 2: Convert to fraction form
    79,349.28/109,500.12 = 43,538.96/x
  3. Step 3: Cross multiply
    79,349.28x = 109,500.12 × 43,538.96
  4. Step 4: Simplify right side
    79,349.28x = 4,767,521,344.68
  5. Step 5: Solve for x
    x = 4,767,521,344.68/79,349.28
  6. Step 6: Final answer
    x = 60,082.73

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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.