Home / 57,142.18-85,726.95-23,843.72

Finding the Fourth Proportional to 57,142.18, 85,726.95 and 23,843.72

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Solution

The fourth proportional to 57,142.18, 85,726.95 and 23,843.72 is: 35,771.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,142.18 : 85,726.95 = 23,843.72 : x
  2. Step 2: Convert to fraction form
    57,142.18/85,726.95 = 23,843.72/x
  3. Step 3: Cross multiply
    57,142.18x = 85,726.95 × 23,843.72
  4. Step 4: Simplify right side
    57,142.18x = 2,044,049,177.94
  5. Step 5: Solve for x
    x = 2,044,049,177.94/57,142.18
  6. Step 6: Final answer
    x = 35,771.29

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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.