Home / 54,535.60-81,851.40-32,321.20

Finding the Fourth Proportional to 54,535.60, 81,851.40 and 32,321.20

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Solution

The fourth proportional to 54,535.60, 81,851.40 and 32,321.20 is: 48,510.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,535.60 : 81,851.40 = 32,321.20 : x
  2. Step 2: Convert to fraction form
    54,535.60/81,851.40 = 32,321.20/x
  3. Step 3: Cross multiply
    54,535.60x = 81,851.40 × 32,321.20
  4. Step 4: Simplify right side
    54,535.60x = 2,645,535,469.68
  5. Step 5: Solve for x
    x = 2,645,535,469.68/54,535.60
  6. Step 6: Final answer
    x = 48,510.25

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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.