Home / 54,132.18-81,209.21-22,544.61

Finding the Fourth Proportional to 54,132.18, 81,209.21 and 22,544.61

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Solution

The fourth proportional to 54,132.18, 81,209.21 and 22,544.61 is: 33,821.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,132.18 : 81,209.21 = 22,544.61 : x
  2. Step 2: Convert to fraction form
    54,132.18/81,209.21 = 22,544.61/x
  3. Step 3: Cross multiply
    54,132.18x = 81,209.21 × 22,544.61
  4. Step 4: Simplify right side
    54,132.18x = 1,830,829,855.14
  5. Step 5: Solve for x
    x = 1,830,829,855.14/54,132.18
  6. Step 6: Final answer
    x = 33,821.47

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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.