Home / 54,452.40-81,727.20-47,065.20

Finding the Fourth Proportional to 54,452.40, 81,727.20 and 47,065.20

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Solution

The fourth proportional to 54,452.40, 81,727.20 and 47,065.20 is: 70,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,452.40 : 81,727.20 = 47,065.20 : x
  2. Step 2: Convert to fraction form
    54,452.40/81,727.20 = 47,065.20/x
  3. Step 3: Cross multiply
    54,452.40x = 81,727.20 × 47,065.20
  4. Step 4: Simplify right side
    54,452.40x = 3,846,507,013.44
  5. Step 5: Solve for x
    x = 3,846,507,013.44/54,452.40
  6. Step 6: Final answer
    x = 70,639.81

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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.