Home / 80,922.76-111,727.14-52,255.24

Finding the Fourth Proportional to 80,922.76, 111,727.14 and 52,255.24

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Solution

The fourth proportional to 80,922.76, 111,727.14 and 52,255.24 is: 72,146.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,922.76 : 111,727.14 = 52,255.24 : x
  2. Step 2: Convert to fraction form
    80,922.76/111,727.14 = 52,255.24/x
  3. Step 3: Cross multiply
    80,922.76x = 111,727.14 × 52,255.24
  4. Step 4: Simplify right side
    80,922.76x = 5,838,328,515.21
  5. Step 5: Solve for x
    x = 5,838,328,515.21/80,922.76
  6. Step 6: Final answer
    x = 72,146.93

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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.