Home / 117,719.88-176,601.54-38,839.56

Finding the Fourth Proportional to 117,719.88, 176,601.54 and 38,839.56

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Solution

The fourth proportional to 117,719.88, 176,601.54 and 38,839.56 is: 58,266.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,719.88 : 176,601.54 = 38,839.56 : x
  2. Step 2: Convert to fraction form
    117,719.88/176,601.54 = 38,839.56/x
  3. Step 3: Cross multiply
    117,719.88x = 176,601.54 × 38,839.56
  4. Step 4: Simplify right side
    117,719.88x = 6,859,126,108.92
  5. Step 5: Solve for x
    x = 6,859,126,108.92/117,719.88
  6. Step 6: Final answer
    x = 58,266.51

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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.