Home / 54,511.60-81,724.20-29,887.60

Finding the Fourth Proportional to 54,511.60, 81,724.20 and 29,887.60

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Solution

The fourth proportional to 54,511.60, 81,724.20 and 29,887.60 is: 44,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,511.60 : 81,724.20 = 29,887.60 : x
  2. Step 2: Convert to fraction form
    54,511.60/81,724.20 = 29,887.60/x
  3. Step 3: Cross multiply
    54,511.60x = 81,724.20 × 29,887.60
  4. Step 4: Simplify right side
    54,511.60x = 2,442,540,199.92
  5. Step 5: Solve for x
    x = 2,442,540,199.92/54,511.60
  6. Step 6: Final answer
    x = 44,807.71

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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.