Home / 79,534.13-109,759.66-43,726.73

Finding the Fourth Proportional to 79,534.13, 109,759.66 and 43,726.73

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Solution

The fourth proportional to 79,534.13, 109,759.66 and 43,726.73 is: 60,344.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,534.13 : 109,759.66 = 43,726.73 : x
  2. Step 2: Convert to fraction form
    79,534.13/109,759.66 = 43,726.73/x
  3. Step 3: Cross multiply
    79,534.13x = 109,759.66 × 43,726.73
  4. Step 4: Simplify right side
    79,534.13x = 4,799,430,359.60
  5. Step 5: Solve for x
    x = 4,799,430,359.60/79,534.13
  6. Step 6: Final answer
    x = 60,344.29

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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.