Home / 71,790.27-107,702.52-36,164.04

Finding the Fourth Proportional to 71,790.27, 107,702.52 and 36,164.04

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Solution

The fourth proportional to 71,790.27, 107,702.52 and 36,164.04 is: 54,254.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,790.27 : 107,702.52 = 36,164.04 : x
  2. Step 2: Convert to fraction form
    71,790.27/107,702.52 = 36,164.04/x
  3. Step 3: Cross multiply
    71,790.27x = 107,702.52 × 36,164.04
  4. Step 4: Simplify right side
    71,790.27x = 3,894,958,241.38
  5. Step 5: Solve for x
    x = 3,894,958,241.38/71,790.27
  6. Step 6: Final answer
    x = 54,254.68

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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.