Home / 67,947.78-101,958.33-39,922.59

Finding the Fourth Proportional to 67,947.78, 101,958.33 and 39,922.59

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Solution

The fourth proportional to 67,947.78, 101,958.33 and 39,922.59 is: 59,905.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,947.78 : 101,958.33 = 39,922.59 : x
  2. Step 2: Convert to fraction form
    67,947.78/101,958.33 = 39,922.59/x
  3. Step 3: Cross multiply
    67,947.78x = 101,958.33 × 39,922.59
  4. Step 4: Simplify right side
    67,947.78x = 4,070,440,605.67
  5. Step 5: Solve for x
    x = 4,070,440,605.67/67,947.78
  6. Step 6: Final answer
    x = 59,905.42

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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.