Home / 79,044.20-109,082.86-45,055.85

Finding the Fourth Proportional to 79,044.20, 109,082.86 and 45,055.85

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Solution

The fourth proportional to 79,044.20, 109,082.86 and 45,055.85 is: 62,178.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,044.20 : 109,082.86 = 45,055.85 : x
  2. Step 2: Convert to fraction form
    79,044.20/109,082.86 = 45,055.85/x
  3. Step 3: Cross multiply
    79,044.20x = 109,082.86 × 45,055.85
  4. Step 4: Simplify right side
    79,044.20x = 4,914,820,977.73
  5. Step 5: Solve for x
    x = 4,914,820,977.73/79,044.20
  6. Step 6: Final answer
    x = 62,178.14

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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.