Home / 72,163.10-108,216.98-24,769.36

Finding the Fourth Proportional to 72,163.10, 108,216.98 and 24,769.36

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Solution

The fourth proportional to 72,163.10, 108,216.98 and 24,769.36 is: 37,144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,163.10 : 108,216.98 = 24,769.36 : x
  2. Step 2: Convert to fraction form
    72,163.10/108,216.98 = 24,769.36/x
  3. Step 3: Cross multiply
    72,163.10x = 108,216.98 × 24,769.36
  4. Step 4: Simplify right side
    72,163.10x = 2,680,465,440.04
  5. Step 5: Solve for x
    x = 2,680,465,440.04/72,163.10
  6. Step 6: Final answer
    x = 37,144.54

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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.