Home / 80,244.02-120,382.23-55,296.02

Finding the Fourth Proportional to 80,244.02, 120,382.23 and 55,296.02

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Solution

The fourth proportional to 80,244.02, 120,382.23 and 55,296.02 is: 82,955.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,244.02 : 120,382.23 = 55,296.02 : x
  2. Step 2: Convert to fraction form
    80,244.02/120,382.23 = 55,296.02/x
  3. Step 3: Cross multiply
    80,244.02x = 120,382.23 × 55,296.02
  4. Step 4: Simplify right side
    80,244.02x = 6,656,658,197.72
  5. Step 5: Solve for x
    x = 6,656,658,197.72/80,244.02
  6. Step 6: Final answer
    x = 82,955.19

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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.