Home / 57,853.23-86,680.78-31,576.41

Finding the Fourth Proportional to 57,853.23, 86,680.78 and 31,576.41

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Solution

The fourth proportional to 57,853.23, 86,680.78 and 31,576.41 is: 47,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,853.23 : 86,680.78 = 31,576.41 : x
  2. Step 2: Convert to fraction form
    57,853.23/86,680.78 = 31,576.41/x
  3. Step 3: Cross multiply
    57,853.23x = 86,680.78 × 31,576.41
  4. Step 4: Simplify right side
    57,853.23x = 2,737,067,848.40
  5. Step 5: Solve for x
    x = 2,737,067,848.40/57,853.23
  6. Step 6: Final answer
    x = 47,310.55

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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.