Home / 57,169.78-78,897.12-34,508.41

Finding the Fourth Proportional to 57,169.78, 78,897.12 and 34,508.41

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Solution

The fourth proportional to 57,169.78, 78,897.12 and 34,508.41 is: 47,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,169.78 : 78,897.12 = 34,508.41 : x
  2. Step 2: Convert to fraction form
    57,169.78/78,897.12 = 34,508.41/x
  3. Step 3: Cross multiply
    57,169.78x = 78,897.12 × 34,508.41
  4. Step 4: Simplify right side
    57,169.78x = 2,722,614,164.78
  5. Step 5: Solve for x
    x = 2,722,614,164.78/57,169.78
  6. Step 6: Final answer
    x = 47,623.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.