Home / 71,968.96-108,046.98-55,340.67

Finding the Fourth Proportional to 71,968.96, 108,046.98 and 55,340.67

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Solution

The fourth proportional to 71,968.96, 108,046.98 and 55,340.67 is: 83,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,968.96 : 108,046.98 = 55,340.67 : x
  2. Step 2: Convert to fraction form
    71,968.96/108,046.98 = 55,340.67/x
  3. Step 3: Cross multiply
    71,968.96x = 108,046.98 × 55,340.67
  4. Step 4: Simplify right side
    71,968.96x = 5,979,392,062.09
  5. Step 5: Solve for x
    x = 5,979,392,062.09/71,968.96
  6. Step 6: Final answer
    x = 83,082.93

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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.