Home / 79,819.92-119,747.36-23,664.40

Finding the Fourth Proportional to 79,819.92, 119,747.36 and 23,664.40

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Solution

The fourth proportional to 79,819.92, 119,747.36 and 23,664.40 is: 35,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,819.92 : 119,747.36 = 23,664.40 : x
  2. Step 2: Convert to fraction form
    79,819.92/119,747.36 = 23,664.40/x
  3. Step 3: Cross multiply
    79,819.92x = 119,747.36 × 23,664.40
  4. Step 4: Simplify right side
    79,819.92x = 2,833,749,425.98
  5. Step 5: Solve for x
    x = 2,833,749,425.98/79,819.92
  6. Step 6: Final answer
    x = 35,501.78

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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.