Home / 71,175.48-106,763.28-18,584.88

Finding the Fourth Proportional to 71,175.48, 106,763.28 and 18,584.88

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Solution

The fourth proportional to 71,175.48, 106,763.28 and 18,584.88 is: 27,877.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,175.48 : 106,763.28 = 18,584.88 : x
  2. Step 2: Convert to fraction form
    71,175.48/106,763.28 = 18,584.88/x
  3. Step 3: Cross multiply
    71,175.48x = 106,763.28 × 18,584.88
  4. Step 4: Simplify right side
    71,175.48x = 1,984,182,747.21
  5. Step 5: Solve for x
    x = 1,984,182,747.21/71,175.48
  6. Step 6: Final answer
    x = 27,877.34

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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.