Home / 56,721.76-85,079.19-25,122.54

Finding the Fourth Proportional to 56,721.76, 85,079.19 and 25,122.54

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Solution

The fourth proportional to 56,721.76, 85,079.19 and 25,122.54 is: 37,682.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,721.76 : 85,079.19 = 25,122.54 : x
  2. Step 2: Convert to fraction form
    56,721.76/85,079.19 = 25,122.54/x
  3. Step 3: Cross multiply
    56,721.76x = 85,079.19 × 25,122.54
  4. Step 4: Simplify right side
    56,721.76x = 2,137,405,353.94
  5. Step 5: Solve for x
    x = 2,137,405,353.94/56,721.76
  6. Step 6: Final answer
    x = 37,682.28

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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.