Home / 79,781.14-110,098.74-43,972.53

Finding the Fourth Proportional to 79,781.14, 110,098.74 and 43,972.53

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Solution

The fourth proportional to 79,781.14, 110,098.74 and 43,972.53 is: 60,682.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,781.14 : 110,098.74 = 43,972.53 : x
  2. Step 2: Convert to fraction form
    79,781.14/110,098.74 = 43,972.53/x
  3. Step 3: Cross multiply
    79,781.14x = 110,098.74 × 43,972.53
  4. Step 4: Simplify right side
    79,781.14x = 4,841,320,147.61
  5. Step 5: Solve for x
    x = 4,841,320,147.61/79,781.14
  6. Step 6: Final answer
    x = 60,682.51

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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.