Home / 82,879.61-124,318.49-49,608.96

Finding the Fourth Proportional to 82,879.61, 124,318.49 and 49,608.96

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Solution

The fourth proportional to 82,879.61, 124,318.49 and 49,608.96 is: 74,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,879.61 : 124,318.49 = 49,608.96 : x
  2. Step 2: Convert to fraction form
    82,879.61/124,318.49 = 49,608.96/x
  3. Step 3: Cross multiply
    82,879.61x = 124,318.49 × 49,608.96
  4. Step 4: Simplify right side
    82,879.61x = 6,167,310,376.08
  5. Step 5: Solve for x
    x = 6,167,310,376.08/82,879.61
  6. Step 6: Final answer
    x = 74,412.88

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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.