Home / 57,394.12-86,084.70-19,947.88

Finding the Fourth Proportional to 57,394.12, 86,084.70 and 19,947.88

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Solution

The fourth proportional to 57,394.12, 86,084.70 and 19,947.88 is: 29,919.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,394.12 : 86,084.70 = 19,947.88 : x
  2. Step 2: Convert to fraction form
    57,394.12/86,084.70 = 19,947.88/x
  3. Step 3: Cross multiply
    57,394.12x = 86,084.70 × 19,947.88
  4. Step 4: Simplify right side
    57,394.12x = 1,717,207,265.44
  5. Step 5: Solve for x
    x = 1,717,207,265.44/57,394.12
  6. Step 6: Final answer
    x = 29,919.57

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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.