Home / 82,148.46-113,345.16-49,882.26

Finding the Fourth Proportional to 82,148.46, 113,345.16 and 49,882.26

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Solution

The fourth proportional to 82,148.46, 113,345.16 and 49,882.26 is: 68,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,148.46 : 113,345.16 = 49,882.26 : x
  2. Step 2: Convert to fraction form
    82,148.46/113,345.16 = 49,882.26/x
  3. Step 3: Cross multiply
    82,148.46x = 113,345.16 × 49,882.26
  4. Step 4: Simplify right side
    82,148.46x = 5,653,912,740.86
  5. Step 5: Solve for x
    x = 5,653,912,740.86/82,148.46
  6. Step 6: Final answer
    x = 68,825.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.