Home / 72,383.10-108,580.05-25,629.90

Finding the Fourth Proportional to 72,383.10, 108,580.05 and 25,629.90

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Solution

The fourth proportional to 72,383.10, 108,580.05 and 25,629.90 is: 38,446.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,383.10 : 108,580.05 = 25,629.90 : x
  2. Step 2: Convert to fraction form
    72,383.10/108,580.05 = 25,629.90/x
  3. Step 3: Cross multiply
    72,383.10x = 108,580.05 × 25,629.90
  4. Step 4: Simplify right side
    72,383.10x = 2,782,895,823.50
  5. Step 5: Solve for x
    x = 2,782,895,823.50/72,383.10
  6. Step 6: Final answer
    x = 38,446.76

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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.