Home / 80,941.76-111,753.36-52,274.24

Finding the Fourth Proportional to 80,941.76, 111,753.36 and 52,274.24

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Solution

The fourth proportional to 80,941.76, 111,753.36 and 52,274.24 is: 72,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,941.76 : 111,753.36 = 52,274.24 : x
  2. Step 2: Convert to fraction form
    80,941.76/111,753.36 = 52,274.24/x
  3. Step 3: Cross multiply
    80,941.76x = 111,753.36 × 52,274.24
  4. Step 4: Simplify right side
    80,941.76x = 5,841,821,961.45
  5. Step 5: Solve for x
    x = 5,841,821,961.45/80,941.76
  6. Step 6: Final answer
    x = 72,173.15

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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.