Home / 71,209.12-106,805.04-29,650.72

Finding the Fourth Proportional to 71,209.12, 106,805.04 and 29,650.72

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Solution

The fourth proportional to 71,209.12, 106,805.04 and 29,650.72 is: 44,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,209.12 : 106,805.04 = 29,650.72 : x
  2. Step 2: Convert to fraction form
    71,209.12/106,805.04 = 29,650.72/x
  3. Step 3: Cross multiply
    71,209.12x = 106,805.04 × 29,650.72
  4. Step 4: Simplify right side
    71,209.12x = 3,166,846,335.63
  5. Step 5: Solve for x
    x = 3,166,846,335.63/71,209.12
  6. Step 6: Final answer
    x = 44,472.48

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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.