Home / 52,209.28-78,304.92-17,149.60

Finding the Fourth Proportional to 52,209.28, 78,304.92 and 17,149.60

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Solution

The fourth proportional to 52,209.28, 78,304.92 and 17,149.60 is: 25,721.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,209.28 : 78,304.92 = 17,149.60 : x
  2. Step 2: Convert to fraction form
    52,209.28/78,304.92 = 17,149.60/x
  3. Step 3: Cross multiply
    52,209.28x = 78,304.92 × 17,149.60
  4. Step 4: Simplify right side
    52,209.28x = 1,342,898,056.03
  5. Step 5: Solve for x
    x = 1,342,898,056.03/52,209.28
  6. Step 6: Final answer
    x = 25,721.44

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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.