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Finding the Fourth Proportional to 79,250.19, 118,847.03 and 25,929.30

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Solution

The fourth proportional to 79,250.19, 118,847.03 and 25,929.30 is: 38,884.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,250.19 : 118,847.03 = 25,929.30 : x
  2. Step 2: Convert to fraction form
    79,250.19/118,847.03 = 25,929.30/x
  3. Step 3: Cross multiply
    79,250.19x = 118,847.03 × 25,929.30
  4. Step 4: Simplify right side
    79,250.19x = 3,081,620,294.98
  5. Step 5: Solve for x
    x = 3,081,620,294.98/79,250.19
  6. Step 6: Final answer
    x = 38,884.71

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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.