Home / 82,314.75-123,314.36-48,933.75

Finding the Fourth Proportional to 82,314.75, 123,314.36 and 48,933.75

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Solution

The fourth proportional to 82,314.75, 123,314.36 and 48,933.75 is: 73,306.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,314.75 : 123,314.36 = 48,933.75 : x
  2. Step 2: Convert to fraction form
    82,314.75/123,314.36 = 48,933.75/x
  3. Step 3: Cross multiply
    82,314.75x = 123,314.36 × 48,933.75
  4. Step 4: Simplify right side
    82,314.75x = 6,034,233,818.98
  5. Step 5: Solve for x
    x = 6,034,233,818.98/82,314.75
  6. Step 6: Final answer
    x = 73,306.84

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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.