Home / 71,156.72-106,677.48-29,634.80

Finding the Fourth Proportional to 71,156.72, 106,677.48 and 29,634.80

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Solution

The fourth proportional to 71,156.72, 106,677.48 and 29,634.80 is: 44,428.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,156.72 : 106,677.48 = 29,634.80 : x
  2. Step 2: Convert to fraction form
    71,156.72/106,677.48 = 29,634.80/x
  3. Step 3: Cross multiply
    71,156.72x = 106,677.48 × 29,634.80
  4. Step 4: Simplify right side
    71,156.72x = 3,161,365,784.30
  5. Step 5: Solve for x
    x = 3,161,365,784.30/71,156.72
  6. Step 6: Final answer
    x = 44,428.21

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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.