Home / 113,938.55-157,234.67-62,951.28

Finding the Fourth Proportional to 113,938.55, 157,234.67 and 62,951.28

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Solution

The fourth proportional to 113,938.55, 157,234.67 and 62,951.28 is: 86,872.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,938.55 : 157,234.67 = 62,951.28 : x
  2. Step 2: Convert to fraction form
    113,938.55/157,234.67 = 62,951.28/x
  3. Step 3: Cross multiply
    113,938.55x = 157,234.67 × 62,951.28
  4. Step 4: Simplify right side
    113,938.55x = 9,898,123,068.56
  5. Step 5: Solve for x
    x = 9,898,123,068.56/113,938.55
  6. Step 6: Final answer
    x = 86,872.47

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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.