Home / 55,168.46-82,716.42-36,391.22

Finding the Fourth Proportional to 55,168.46, 82,716.42 and 36,391.22

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Solution

The fourth proportional to 55,168.46, 82,716.42 and 36,391.22 is: 54,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,168.46 : 82,716.42 = 36,391.22 : x
  2. Step 2: Convert to fraction form
    55,168.46/82,716.42 = 36,391.22/x
  3. Step 3: Cross multiply
    55,168.46x = 82,716.42 × 36,391.22
  4. Step 4: Simplify right side
    55,168.46x = 3,010,151,437.83
  5. Step 5: Solve for x
    x = 3,010,151,437.83/55,168.46
  6. Step 6: Final answer
    x = 54,562.90

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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.