Home / 54,143.46-81,229.02-22,543.05

Finding the Fourth Proportional to 54,143.46, 81,229.02 and 22,543.05

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Solution

The fourth proportional to 54,143.46, 81,229.02 and 22,543.05 is: 33,820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,143.46 : 81,229.02 = 22,543.05 : x
  2. Step 2: Convert to fraction form
    54,143.46/81,229.02 = 22,543.05/x
  3. Step 3: Cross multiply
    54,143.46x = 81,229.02 × 22,543.05
  4. Step 4: Simplify right side
    54,143.46x = 1,831,149,859.31
  5. Step 5: Solve for x
    x = 1,831,149,859.31/54,143.46
  6. Step 6: Final answer
    x = 33,820.33

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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.