Home / 54,512.40-81,768.60-34,732.20

Finding the Fourth Proportional to 54,512.40, 81,768.60 and 34,732.20

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Solution

The fourth proportional to 54,512.40, 81,768.60 and 34,732.20 is: 52,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,512.40 : 81,768.60 = 34,732.20 : x
  2. Step 2: Convert to fraction form
    54,512.40/81,768.60 = 34,732.20/x
  3. Step 3: Cross multiply
    54,512.40x = 81,768.60 × 34,732.20
  4. Step 4: Simplify right side
    54,512.40x = 2,840,003,368.92
  5. Step 5: Solve for x
    x = 2,840,003,368.92/54,512.40
  6. Step 6: Final answer
    x = 52,098.30

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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.