Home / 55,474.20-83,114.10-45,559.80

Finding the Fourth Proportional to 55,474.20, 83,114.10 and 45,559.80

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Solution

The fourth proportional to 55,474.20, 83,114.10 and 45,559.80 is: 68,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,474.20 : 83,114.10 = 45,559.80 : x
  2. Step 2: Convert to fraction form
    55,474.20/83,114.10 = 45,559.80/x
  3. Step 3: Cross multiply
    55,474.20x = 83,114.10 × 45,559.80
  4. Step 4: Simplify right side
    55,474.20x = 3,786,661,773.18
  5. Step 5: Solve for x
    x = 3,786,661,773.18/55,474.20
  6. Step 6: Final answer
    x = 68,259.87

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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.