Home / 72,592.26-108,903.78-25,845

Finding the Fourth Proportional to 72,592.26, 108,903.78 and 25,845

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Solution

The fourth proportional to 72,592.26, 108,903.78 and 25,845 is: 38,772.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,592.26 : 108,903.78 = 25,845 : x
  2. Step 2: Convert to fraction form
    72,592.26/108,903.78 = 25,845/x
  3. Step 3: Cross multiply
    72,592.26x = 108,903.78 × 25,845
  4. Step 4: Simplify right side
    72,592.26x = 2,814,618,194.10
  5. Step 5: Solve for x
    x = 2,814,618,194.10/72,592.26
  6. Step 6: Final answer
    x = 38,772.98

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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.