Home / 79,872.38-119,788.05-23,699.20

Finding the Fourth Proportional to 79,872.38, 119,788.05 and 23,699.20

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Solution

The fourth proportional to 79,872.38, 119,788.05 and 23,699.20 is: 35,542.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,872.38 : 119,788.05 = 23,699.20 : x
  2. Step 2: Convert to fraction form
    79,872.38/119,788.05 = 23,699.20/x
  3. Step 3: Cross multiply
    79,872.38x = 119,788.05 × 23,699.20
  4. Step 4: Simplify right side
    79,872.38x = 2,838,880,835.26
  5. Step 5: Solve for x
    x = 2,838,880,835.26/79,872.38
  6. Step 6: Final answer
    x = 35,542.71

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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.