Home / 55,104.50-82,753.66-54,315.65

Finding the Fourth Proportional to 55,104.50, 82,753.66 and 54,315.65

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Solution

The fourth proportional to 55,104.50, 82,753.66 and 54,315.65 is: 81,569.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,104.50 : 82,753.66 = 54,315.65 : x
  2. Step 2: Convert to fraction form
    55,104.50/82,753.66 = 54,315.65/x
  3. Step 3: Cross multiply
    55,104.50x = 82,753.66 × 54,315.65
  4. Step 4: Simplify right side
    55,104.50x = 4,494,819,107.56
  5. Step 5: Solve for x
    x = 4,494,819,107.56/55,104.50
  6. Step 6: Final answer
    x = 81,569.00

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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.