Home / 117,008.30-175,478.97-38,129.42

Finding the Fourth Proportional to 117,008.30, 175,478.97 and 38,129.42

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Solution

The fourth proportional to 117,008.30, 175,478.97 and 38,129.42 is: 57,183.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,008.30 : 175,478.97 = 38,129.42 : x
  2. Step 2: Convert to fraction form
    117,008.30/175,478.97 = 38,129.42/x
  3. Step 3: Cross multiply
    117,008.30x = 175,478.97 × 38,129.42
  4. Step 4: Simplify right side
    117,008.30x = 6,690,911,882.32
  5. Step 5: Solve for x
    x = 6,690,911,882.32/117,008.30
  6. Step 6: Final answer
    x = 57,183.22

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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.