Home / 57,170.42-78,872.37-34,503.38

Finding the Fourth Proportional to 57,170.42, 78,872.37 and 34,503.38

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Solution

The fourth proportional to 57,170.42, 78,872.37 and 34,503.38 is: 47,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170.42 : 78,872.37 = 34,503.38 : x
  2. Step 2: Convert to fraction form
    57,170.42/78,872.37 = 34,503.38/x
  3. Step 3: Cross multiply
    57,170.42x = 78,872.37 × 34,503.38
  4. Step 4: Simplify right side
    57,170.42x = 2,721,363,353.61
  5. Step 5: Solve for x
    x = 2,721,363,353.61/57,170.42
  6. Step 6: Final answer
    x = 47,600.90

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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.