Home / 117,748.72-176,629.17-38,869.12

Finding the Fourth Proportional to 117,748.72, 176,629.17 and 38,869.12

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Solution

The fourth proportional to 117,748.72, 176,629.17 and 38,869.12 is: 58,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,748.72 : 176,629.17 = 38,869.12 : x
  2. Step 2: Convert to fraction form
    117,748.72/176,629.17 = 38,869.12/x
  3. Step 3: Cross multiply
    117,748.72x = 176,629.17 × 38,869.12
  4. Step 4: Simplify right side
    117,748.72x = 6,865,419,521.08
  5. Step 5: Solve for x
    x = 6,865,419,521.08/117,748.72
  6. Step 6: Final answer
    x = 58,305.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.