Home / 79,178.38-109,224.75-48,954.04

Finding the Fourth Proportional to 79,178.38, 109,224.75 and 48,954.04

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Solution

The fourth proportional to 79,178.38, 109,224.75 and 48,954.04 is: 67,530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,178.38 : 109,224.75 = 48,954.04 : x
  2. Step 2: Convert to fraction form
    79,178.38/109,224.75 = 48,954.04/x
  3. Step 3: Cross multiply
    79,178.38x = 109,224.75 × 48,954.04
  4. Step 4: Simplify right side
    79,178.38x = 5,346,992,691.01
  5. Step 5: Solve for x
    x = 5,346,992,691.01/79,178.38
  6. Step 6: Final answer
    x = 67,530.97

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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.