Home / 83,228.65-124,874.43-49,971.84

Finding the Fourth Proportional to 83,228.65, 124,874.43 and 49,971.84

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Solution

The fourth proportional to 83,228.65, 124,874.43 and 49,971.84 is: 74,976.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,228.65 : 124,874.43 = 49,971.84 : x
  2. Step 2: Convert to fraction form
    83,228.65/124,874.43 = 49,971.84/x
  3. Step 3: Cross multiply
    83,228.65x = 124,874.43 × 49,971.84
  4. Step 4: Simplify right side
    83,228.65x = 6,240,204,380.38
  5. Step 5: Solve for x
    x = 6,240,204,380.38/83,228.65
  6. Step 6: Final answer
    x = 74,976.64

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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.