Home / 80,501.28-111,086.52-44,691.36

Finding the Fourth Proportional to 80,501.28, 111,086.52 and 44,691.36

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Solution

The fourth proportional to 80,501.28, 111,086.52 and 44,691.36 is: 61,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,501.28 : 111,086.52 = 44,691.36 : x
  2. Step 2: Convert to fraction form
    80,501.28/111,086.52 = 44,691.36/x
  3. Step 3: Cross multiply
    80,501.28x = 111,086.52 × 44,691.36
  4. Step 4: Simplify right side
    80,501.28x = 4,964,607,656.47
  5. Step 5: Solve for x
    x = 4,964,607,656.47/80,501.28
  6. Step 6: Final answer
    x = 61,671.16

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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.