Home / 77,538.30-107,005.44-43,552.78

Finding the Fourth Proportional to 77,538.30, 107,005.44 and 43,552.78

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Solution

The fourth proportional to 77,538.30, 107,005.44 and 43,552.78 is: 60,104.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,538.30 : 107,005.44 = 43,552.78 : x
  2. Step 2: Convert to fraction form
    77,538.30/107,005.44 = 43,552.78/x
  3. Step 3: Cross multiply
    77,538.30x = 107,005.44 × 43,552.78
  4. Step 4: Simplify right side
    77,538.30x = 4,660,384,387.12
  5. Step 5: Solve for x
    x = 4,660,384,387.12/77,538.30
  6. Step 6: Final answer
    x = 60,104.29

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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.