Home / 117,148.88-161,694.62-66,877.04

Finding the Fourth Proportional to 117,148.88, 161,694.62 and 66,877.04

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Solution

The fourth proportional to 117,148.88, 161,694.62 and 66,877.04 is: 92,306.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,148.88 : 161,694.62 = 66,877.04 : x
  2. Step 2: Convert to fraction form
    117,148.88/161,694.62 = 66,877.04/x
  3. Step 3: Cross multiply
    117,148.88x = 161,694.62 × 66,877.04
  4. Step 4: Simplify right side
    117,148.88x = 10,813,656,426.67
  5. Step 5: Solve for x
    x = 10,813,656,426.67/117,148.88
  6. Step 6: Final answer
    x = 92,306.96

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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.