Home / 84,625.92-126,938.52-49,787.28

Finding the Fourth Proportional to 84,625.92, 126,938.52 and 49,787.28

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Solution

The fourth proportional to 84,625.92, 126,938.52 and 49,787.28 is: 74,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,625.92 : 126,938.52 = 49,787.28 : x
  2. Step 2: Convert to fraction form
    84,625.92/126,938.52 = 49,787.28/x
  3. Step 3: Cross multiply
    84,625.92x = 126,938.52 × 49,787.28
  4. Step 4: Simplify right side
    84,625.92x = 6,319,923,638.03
  5. Step 5: Solve for x
    x = 6,319,923,638.03/84,625.92
  6. Step 6: Final answer
    x = 74,680.71

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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.