Home / 72,631.56-108,951.45-25,884.44

Finding the Fourth Proportional to 72,631.56, 108,951.45 and 25,884.44

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Solution

The fourth proportional to 72,631.56, 108,951.45 and 25,884.44 is: 38,828.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,631.56 : 108,951.45 = 25,884.44 : x
  2. Step 2: Convert to fraction form
    72,631.56/108,951.45 = 25,884.44/x
  3. Step 3: Cross multiply
    72,631.56x = 108,951.45 × 25,884.44
  4. Step 4: Simplify right side
    72,631.56x = 2,820,147,270.44
  5. Step 5: Solve for x
    x = 2,820,147,270.44/72,631.56
  6. Step 6: Final answer
    x = 38,828.12

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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.