Home / 127,284.50-175,644.17-69,912.66

Finding the Fourth Proportional to 127,284.50, 175,644.17 and 69,912.66

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Solution

The fourth proportional to 127,284.50, 175,644.17 and 69,912.66 is: 96,474.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,284.50 : 175,644.17 = 69,912.66 : x
  2. Step 2: Convert to fraction form
    127,284.50/175,644.17 = 69,912.66/x
  3. Step 3: Cross multiply
    127,284.50x = 175,644.17 × 69,912.66
  4. Step 4: Simplify right side
    127,284.50x = 12,279,750,788.63
  5. Step 5: Solve for x
    x = 12,279,750,788.63/127,284.50
  6. Step 6: Final answer
    x = 96,474.83

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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.