Home / 84,726.75-127,109.66-29,322.75

Finding the Fourth Proportional to 84,726.75, 127,109.66 and 29,322.75

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Solution

The fourth proportional to 84,726.75, 127,109.66 and 29,322.75 is: 43,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,726.75 : 127,109.66 = 29,322.75 : x
  2. Step 2: Convert to fraction form
    84,726.75/127,109.66 = 29,322.75/x
  3. Step 3: Cross multiply
    84,726.75x = 127,109.66 × 29,322.75
  4. Step 4: Simplify right side
    84,726.75x = 3,727,204,636.15
  5. Step 5: Solve for x
    x = 3,727,204,636.15/84,726.75
  6. Step 6: Final answer
    x = 43,990.88

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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.