Home / 48,722.78-73,040.42-40,455.92

Finding the Fourth Proportional to 48,722.78, 73,040.42 and 40,455.92

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Solution

The fourth proportional to 48,722.78, 73,040.42 and 40,455.92 is: 60,647.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,722.78 : 73,040.42 = 40,455.92 : x
  2. Step 2: Convert to fraction form
    48,722.78/73,040.42 = 40,455.92/x
  3. Step 3: Cross multiply
    48,722.78x = 73,040.42 × 40,455.92
  4. Step 4: Simplify right side
    48,722.78x = 2,954,917,388.29
  5. Step 5: Solve for x
    x = 2,954,917,388.29/48,722.78
  6. Step 6: Final answer
    x = 60,647.55

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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.