Home / 80,599.76-111,230.36-44,791.28

Finding the Fourth Proportional to 80,599.76, 111,230.36 and 44,791.28

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Solution

The fourth proportional to 80,599.76, 111,230.36 and 44,791.28 is: 61,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,599.76 : 111,230.36 = 44,791.28 : x
  2. Step 2: Convert to fraction form
    80,599.76/111,230.36 = 44,791.28/x
  3. Step 3: Cross multiply
    80,599.76x = 111,230.36 × 44,791.28
  4. Step 4: Simplify right side
    80,599.76x = 4,982,150,256.18
  5. Step 5: Solve for x
    x = 4,982,150,256.18/80,599.76
  6. Step 6: Final answer
    x = 61,813.46

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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.