Home / 117,951.08-162,787.38-67,649

Finding the Fourth Proportional to 117,951.08, 162,787.38 and 67,649

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Solution

The fourth proportional to 117,951.08, 162,787.38 and 67,649 is: 93,364.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,951.08 : 162,787.38 = 67,649 : x
  2. Step 2: Convert to fraction form
    117,951.08/162,787.38 = 67,649/x
  3. Step 3: Cross multiply
    117,951.08x = 162,787.38 × 67,649
  4. Step 4: Simplify right side
    117,951.08x = 11,012,403,469.62
  5. Step 5: Solve for x
    x = 11,012,403,469.62/117,951.08
  6. Step 6: Final answer
    x = 93,364.16

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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.