Home / 62,976.28-86,905.62-36,134.68

Finding the Fourth Proportional to 62,976.28, 86,905.62 and 36,134.68

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Solution

The fourth proportional to 62,976.28, 86,905.62 and 36,134.68 is: 49,864.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,976.28 : 86,905.62 = 36,134.68 : x
  2. Step 2: Convert to fraction form
    62,976.28/86,905.62 = 36,134.68/x
  3. Step 3: Cross multiply
    62,976.28x = 86,905.62 × 36,134.68
  4. Step 4: Simplify right side
    62,976.28x = 3,140,306,768.90
  5. Step 5: Solve for x
    x = 3,140,306,768.90/62,976.28
  6. Step 6: Final answer
    x = 49,864.91

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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.