Home / 117,576.78-176,385.33-38,713.38

Finding the Fourth Proportional to 117,576.78, 176,385.33 and 38,713.38

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Solution

The fourth proportional to 117,576.78, 176,385.33 and 38,713.38 is: 58,076.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,576.78 : 176,385.33 = 38,713.38 : x
  2. Step 2: Convert to fraction form
    117,576.78/176,385.33 = 38,713.38/x
  3. Step 3: Cross multiply
    117,576.78x = 176,385.33 × 38,713.38
  4. Step 4: Simplify right side
    117,576.78x = 6,828,472,306.72
  5. Step 5: Solve for x
    x = 6,828,472,306.72/117,576.78
  6. Step 6: Final answer
    x = 58,076.71

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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.