Home / 55,630.71-82,949.85-49,448.79

Finding the Fourth Proportional to 55,630.71, 82,949.85 and 49,448.79

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Solution

The fourth proportional to 55,630.71, 82,949.85 and 49,448.79 is: 73,732.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,630.71 : 82,949.85 = 49,448.79 : x
  2. Step 2: Convert to fraction form
    55,630.71/82,949.85 = 49,448.79/x
  3. Step 3: Cross multiply
    55,630.71x = 82,949.85 × 49,448.79
  4. Step 4: Simplify right side
    55,630.71x = 4,101,769,713.18
  5. Step 5: Solve for x
    x = 4,101,769,713.18/55,630.71
  6. Step 6: Final answer
    x = 73,732.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.