Home / 82,329.96-123,494.88-20,000.46

Finding the Fourth Proportional to 82,329.96, 123,494.88 and 20,000.46

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Solution

The fourth proportional to 82,329.96, 123,494.88 and 20,000.46 is: 30,000.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,329.96 : 123,494.88 = 20,000.46 : x
  2. Step 2: Convert to fraction form
    82,329.96/123,494.88 = 20,000.46/x
  3. Step 3: Cross multiply
    82,329.96x = 123,494.88 × 20,000.46
  4. Step 4: Simplify right side
    82,329.96x = 2,469,954,407.64
  5. Step 5: Solve for x
    x = 2,469,954,407.64/82,329.96
  6. Step 6: Final answer
    x = 30,000.68

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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.