Home / 79,995.92-120,006.68-40,537.04

Finding the Fourth Proportional to 79,995.92, 120,006.68 and 40,537.04

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Solution

The fourth proportional to 79,995.92, 120,006.68 and 40,537.04 is: 60,812.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,995.92 : 120,006.68 = 40,537.04 : x
  2. Step 2: Convert to fraction form
    79,995.92/120,006.68 = 40,537.04/x
  3. Step 3: Cross multiply
    79,995.92x = 120,006.68 × 40,537.04
  4. Step 4: Simplify right side
    79,995.92x = 4,864,715,587.43
  5. Step 5: Solve for x
    x = 4,864,715,587.43/79,995.92
  6. Step 6: Final answer
    x = 60,812.05

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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.