Home / 73,061.13-100,825.97-40,355.47

Finding the Fourth Proportional to 73,061.13, 100,825.97 and 40,355.47

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Solution

The fourth proportional to 73,061.13, 100,825.97 and 40,355.47 is: 55,691.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,061.13 : 100,825.97 = 40,355.47 : x
  2. Step 2: Convert to fraction form
    73,061.13/100,825.97 = 40,355.47/x
  3. Step 3: Cross multiply
    73,061.13x = 100,825.97 × 40,355.47
  4. Step 4: Simplify right side
    73,061.13x = 4,068,879,407.56
  5. Step 5: Solve for x
    x = 4,068,879,407.56/73,061.13
  6. Step 6: Final answer
    x = 55,691.44

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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.