Home / 81,550.46-122,209.94-34,114.43

Finding the Fourth Proportional to 81,550.46, 122,209.94 and 34,114.43

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Solution

The fourth proportional to 81,550.46, 122,209.94 and 34,114.43 is: 51,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,550.46 : 122,209.94 = 34,114.43 : x
  2. Step 2: Convert to fraction form
    81,550.46/122,209.94 = 34,114.43/x
  3. Step 3: Cross multiply
    81,550.46x = 122,209.94 × 34,114.43
  4. Step 4: Simplify right side
    81,550.46x = 4,169,121,661.81
  5. Step 5: Solve for x
    x = 4,169,121,661.81/81,550.46
  6. Step 6: Final answer
    x = 51,123.22

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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.