Home / 71,236.62-106,825.73-31,766.76

Finding the Fourth Proportional to 71,236.62, 106,825.73 and 31,766.76

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Solution

The fourth proportional to 71,236.62, 106,825.73 and 31,766.76 is: 47,637.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,236.62 : 106,825.73 = 31,766.76 : x
  2. Step 2: Convert to fraction form
    71,236.62/106,825.73 = 31,766.76/x
  3. Step 3: Cross multiply
    71,236.62x = 106,825.73 × 31,766.76
  4. Step 4: Simplify right side
    71,236.62x = 3,393,507,167.90
  5. Step 5: Solve for x
    x = 3,393,507,167.90/71,236.62
  6. Step 6: Final answer
    x = 47,637.12

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1.5x scale

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.