Home / 72,217.79-108,261.07-32,753.37

Finding the Fourth Proportional to 72,217.79, 108,261.07 and 32,753.37

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Solution

The fourth proportional to 72,217.79, 108,261.07 and 32,753.37 is: 49,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,217.79 : 108,261.07 = 32,753.37 : x
  2. Step 2: Convert to fraction form
    72,217.79/108,261.07 = 32,753.37/x
  3. Step 3: Cross multiply
    72,217.79x = 108,261.07 × 32,753.37
  4. Step 4: Simplify right side
    72,217.79x = 3,545,914,718.54
  5. Step 5: Solve for x
    x = 3,545,914,718.54/72,217.79
  6. Step 6: Final answer
    x = 49,100.30

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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.