Home / 73,781.06-101,805.15-41,511.20

Finding the Fourth Proportional to 73,781.06, 101,805.15 and 41,511.20

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Solution

The fourth proportional to 73,781.06, 101,805.15 and 41,511.20 is: 57,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,781.06 : 101,805.15 = 41,511.20 : x
  2. Step 2: Convert to fraction form
    73,781.06/101,805.15 = 41,511.20/x
  3. Step 3: Cross multiply
    73,781.06x = 101,805.15 × 41,511.20
  4. Step 4: Simplify right side
    73,781.06x = 4,226,053,589.32
  5. Step 5: Solve for x
    x = 4,226,053,589.32/73,781.06
  6. Step 6: Final answer
    x = 57,278.30

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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.