Home / 57,156.20-85,747.80-23,857.76

Finding the Fourth Proportional to 57,156.20, 85,747.80 and 23,857.76

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Solution

The fourth proportional to 57,156.20, 85,747.80 and 23,857.76 is: 35,792.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,156.20 : 85,747.80 = 23,857.76 : x
  2. Step 2: Convert to fraction form
    57,156.20/85,747.80 = 23,857.76/x
  3. Step 3: Cross multiply
    57,156.20x = 85,747.80 × 23,857.76
  4. Step 4: Simplify right side
    57,156.20x = 2,045,750,432.93
  5. Step 5: Solve for x
    x = 2,045,750,432.93/57,156.20
  6. Step 6: Final answer
    x = 35,792.28

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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.