Home / 54,743.98-82,061.29-47,217.06

Finding the Fourth Proportional to 54,743.98, 82,061.29 and 47,217.06

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Solution

The fourth proportional to 54,743.98, 82,061.29 and 47,217.06 is: 70,778.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,743.98 : 82,061.29 = 47,217.06 : x
  2. Step 2: Convert to fraction form
    54,743.98/82,061.29 = 47,217.06/x
  3. Step 3: Cross multiply
    54,743.98x = 82,061.29 × 47,217.06
  4. Step 4: Simplify right side
    54,743.98x = 3,874,692,853.61
  5. Step 5: Solve for x
    x = 3,874,692,853.61/54,743.98
  6. Step 6: Final answer
    x = 70,778.43

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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.