Home / 71,766.36-107,650.08-27,381.18

Finding the Fourth Proportional to 71,766.36, 107,650.08 and 27,381.18

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Solution

The fourth proportional to 71,766.36, 107,650.08 and 27,381.18 is: 41,071.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,766.36 : 107,650.08 = 27,381.18 : x
  2. Step 2: Convert to fraction form
    71,766.36/107,650.08 = 27,381.18/x
  3. Step 3: Cross multiply
    71,766.36x = 107,650.08 × 27,381.18
  4. Step 4: Simplify right side
    71,766.36x = 2,947,586,217.49
  5. Step 5: Solve for x
    x = 2,947,586,217.49/71,766.36
  6. Step 6: Final answer
    x = 41,071.98

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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.