Home / 72,022.08-108,043.92-25,266.72

Finding the Fourth Proportional to 72,022.08, 108,043.92 and 25,266.72

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Solution

The fourth proportional to 72,022.08, 108,043.92 and 25,266.72 is: 37,903.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,022.08 : 108,043.92 = 25,266.72 : x
  2. Step 2: Convert to fraction form
    72,022.08/108,043.92 = 25,266.72/x
  3. Step 3: Cross multiply
    72,022.08x = 108,043.92 × 25,266.72
  4. Step 4: Simplify right side
    72,022.08x = 2,729,915,474.34
  5. Step 5: Solve for x
    x = 2,729,915,474.34/72,022.08
  6. Step 6: Final answer
    x = 37,903.87

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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.