Home / 82,329.42-123,481.20-26,162.13

Finding the Fourth Proportional to 82,329.42, 123,481.20 and 26,162.13

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Solution

The fourth proportional to 82,329.42, 123,481.20 and 26,162.13 is: 39,239.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,329.42 : 123,481.20 = 26,162.13 : x
  2. Step 2: Convert to fraction form
    82,329.42/123,481.20 = 26,162.13/x
  3. Step 3: Cross multiply
    82,329.42x = 123,481.20 × 26,162.13
  4. Step 4: Simplify right side
    82,329.42x = 3,230,531,206.96
  5. Step 5: Solve for x
    x = 3,230,531,206.96/82,329.42
  6. Step 6: Final answer
    x = 39,239.09

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1.5x scale

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.