Home / 107,726.30-161,597.56-28,838.78

Finding the Fourth Proportional to 107,726.30, 161,597.56 and 28,838.78

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Solution

The fourth proportional to 107,726.30, 161,597.56 and 28,838.78 is: 43,260.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,726.30 : 161,597.56 = 28,838.78 : x
  2. Step 2: Convert to fraction form
    107,726.30/161,597.56 = 28,838.78/x
  3. Step 3: Cross multiply
    107,726.30x = 161,597.56 × 28,838.78
  4. Step 4: Simplify right side
    107,726.30x = 4,660,276,481.38
  5. Step 5: Solve for x
    x = 4,660,276,481.38/107,726.30
  6. Step 6: Final answer
    x = 43,260.34

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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.