Home / 48,111.87-66,351.36-30,208.53

Finding the Fourth Proportional to 48,111.87, 66,351.36 and 30,208.53

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Solution

The fourth proportional to 48,111.87, 66,351.36 and 30,208.53 is: 41,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,111.87 : 66,351.36 = 30,208.53 : x
  2. Step 2: Convert to fraction form
    48,111.87/66,351.36 = 30,208.53/x
  3. Step 3: Cross multiply
    48,111.87x = 66,351.36 × 30,208.53
  4. Step 4: Simplify right side
    48,111.87x = 2,004,377,049.10
  5. Step 5: Solve for x
    x = 2,004,377,049.10/48,111.87
  6. Step 6: Final answer
    x = 41,660.76

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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.