Home / 54,567.56-81,851.07-47,149.31

Finding the Fourth Proportional to 54,567.56, 81,851.07 and 47,149.31

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Solution

The fourth proportional to 54,567.56, 81,851.07 and 47,149.31 is: 70,723.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,567.56 : 81,851.07 = 47,149.31 : x
  2. Step 2: Convert to fraction form
    54,567.56/81,851.07 = 47,149.31/x
  3. Step 3: Cross multiply
    54,567.56x = 81,851.07 × 47,149.31
  4. Step 4: Simplify right side
    54,567.56x = 3,859,221,473.26
  5. Step 5: Solve for x
    x = 3,859,221,473.26/54,567.56
  6. Step 6: Final answer
    x = 70,723.73

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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.