Home / 80,503.27-111,092.35-48,256.11

Finding the Fourth Proportional to 80,503.27, 111,092.35 and 48,256.11

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Solution

The fourth proportional to 80,503.27, 111,092.35 and 48,256.11 is: 66,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,503.27 : 111,092.35 = 48,256.11 : x
  2. Step 2: Convert to fraction form
    80,503.27/111,092.35 = 48,256.11/x
  3. Step 3: Cross multiply
    80,503.27x = 111,092.35 × 48,256.11
  4. Step 4: Simplify right side
    80,503.27x = 5,360,884,166.62
  5. Step 5: Solve for x
    x = 5,360,884,166.62/80,503.27
  6. Step 6: Final answer
    x = 66,592.13

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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.