Home / 80,569.28-120,841.44-41,155.52

Finding the Fourth Proportional to 80,569.28, 120,841.44 and 41,155.52

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Solution

The fourth proportional to 80,569.28, 120,841.44 and 41,155.52 is: 61,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,569.28 : 120,841.44 = 41,155.52 : x
  2. Step 2: Convert to fraction form
    80,569.28/120,841.44 = 41,155.52/x
  3. Step 3: Cross multiply
    80,569.28x = 120,841.44 × 41,155.52
  4. Step 4: Simplify right side
    80,569.28x = 4,973,292,300.75
  5. Step 5: Solve for x
    x = 4,973,292,300.75/80,569.28
  6. Step 6: Final answer
    x = 61,726.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.