Home / 80,373.14-110,943.63-54,861.24

Finding the Fourth Proportional to 80,373.14, 110,943.63 and 54,861.24

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Solution

The fourth proportional to 80,373.14, 110,943.63 and 54,861.24 is: 75,728.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,373.14 : 110,943.63 = 54,861.24 : x
  2. Step 2: Convert to fraction form
    80,373.14/110,943.63 = 54,861.24/x
  3. Step 3: Cross multiply
    80,373.14x = 110,943.63 × 54,861.24
  4. Step 4: Simplify right side
    80,373.14x = 6,086,505,111.90
  5. Step 5: Solve for x
    x = 6,086,505,111.90/80,373.14
  6. Step 6: Final answer
    x = 75,728.10

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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.