Home / 54,141.12-81,225.52-22,540.68

Finding the Fourth Proportional to 54,141.12, 81,225.52 and 22,540.68

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Solution

The fourth proportional to 54,141.12, 81,225.52 and 22,540.68 is: 33,816.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,141.12 : 81,225.52 = 22,540.68 : x
  2. Step 2: Convert to fraction form
    54,141.12/81,225.52 = 22,540.68/x
  3. Step 3: Cross multiply
    54,141.12x = 81,225.52 × 22,540.68
  4. Step 4: Simplify right side
    54,141.12x = 1,830,878,000.41
  5. Step 5: Solve for x
    x = 1,830,878,000.41/54,141.12
  6. Step 6: Final answer
    x = 33,816.78

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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.