Home / 85,086.39-127,619.91-22,761.75

Finding the Fourth Proportional to 85,086.39, 127,619.91 and 22,761.75

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Solution

The fourth proportional to 85,086.39, 127,619.91 and 22,761.75 is: 34,140.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,086.39 : 127,619.91 = 22,761.75 : x
  2. Step 2: Convert to fraction form
    85,086.39/127,619.91 = 22,761.75/x
  3. Step 3: Cross multiply
    85,086.39x = 127,619.91 × 22,761.75
  4. Step 4: Simplify right side
    85,086.39x = 2,904,852,486.44
  5. Step 5: Solve for x
    x = 2,904,852,486.44/85,086.39
  6. Step 6: Final answer
    x = 34,140.04

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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.