Home / 57,170.62-78,870.31-34,496.97

Finding the Fourth Proportional to 57,170.62, 78,870.31 and 34,496.97

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Solution

The fourth proportional to 57,170.62, 78,870.31 and 34,496.97 is: 47,590.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170.62 : 78,870.31 = 34,496.97 : x
  2. Step 2: Convert to fraction form
    57,170.62/78,870.31 = 34,496.97/x
  3. Step 3: Cross multiply
    57,170.62x = 78,870.31 × 34,496.97
  4. Step 4: Simplify right side
    57,170.62x = 2,720,786,717.96
  5. Step 5: Solve for x
    x = 2,720,786,717.96/57,170.62
  6. Step 6: Final answer
    x = 47,590.65

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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.