Home / 54,986.60-82,521.36-40,233.58

Finding the Fourth Proportional to 54,986.60, 82,521.36 and 40,233.58

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Solution

The fourth proportional to 54,986.60, 82,521.36 and 40,233.58 is: 60,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,986.60 : 82,521.36 = 40,233.58 : x
  2. Step 2: Convert to fraction form
    54,986.60/82,521.36 = 40,233.58/x
  3. Step 3: Cross multiply
    54,986.60x = 82,521.36 × 40,233.58
  4. Step 4: Simplify right side
    54,986.60x = 3,320,129,532.97
  5. Step 5: Solve for x
    x = 3,320,129,532.97/54,986.60
  6. Step 6: Final answer
    x = 60,380.70

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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.