Home / 54,237.10-81,348.15-16,822.90

Finding the Fourth Proportional to 54,237.10, 81,348.15 and 16,822.90

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Solution

The fourth proportional to 54,237.10, 81,348.15 and 16,822.90 is: 25,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,237.10 : 81,348.15 = 16,822.90 : x
  2. Step 2: Convert to fraction form
    54,237.10/81,348.15 = 16,822.90/x
  3. Step 3: Cross multiply
    54,237.10x = 81,348.15 × 16,822.90
  4. Step 4: Simplify right side
    54,237.10x = 1,368,511,792.64
  5. Step 5: Solve for x
    x = 1,368,511,792.64/54,237.10
  6. Step 6: Final answer
    x = 25,232.02

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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.