Home / 57,853.44-86,780.16-31,521.96

Finding the Fourth Proportional to 57,853.44, 86,780.16 and 31,521.96

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Solution

The fourth proportional to 57,853.44, 86,780.16 and 31,521.96 is: 47,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,853.44 : 86,780.16 = 31,521.96 : x
  2. Step 2: Convert to fraction form
    57,853.44/86,780.16 = 31,521.96/x
  3. Step 3: Cross multiply
    57,853.44x = 86,780.16 × 31,521.96
  4. Step 4: Simplify right side
    57,853.44x = 2,735,480,732.31
  5. Step 5: Solve for x
    x = 2,735,480,732.31/57,853.44
  6. Step 6: Final answer
    x = 47,282.94

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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.