Home / 82,582.44-123,885.96-38,213.70

Finding the Fourth Proportional to 82,582.44, 123,885.96 and 38,213.70

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Solution

The fourth proportional to 82,582.44, 123,885.96 and 38,213.70 is: 57,326.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,582.44 : 123,885.96 = 38,213.70 : x
  2. Step 2: Convert to fraction form
    82,582.44/123,885.96 = 38,213.70/x
  3. Step 3: Cross multiply
    82,582.44x = 123,885.96 × 38,213.70
  4. Step 4: Simplify right side
    82,582.44x = 4,734,140,909.65
  5. Step 5: Solve for x
    x = 4,734,140,909.65/82,582.44
  6. Step 6: Final answer
    x = 57,326.24

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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.