Home / 48,608.88-66,932.64-40,079.04

Finding the Fourth Proportional to 48,608.88, 66,932.64 and 40,079.04

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Solution

The fourth proportional to 48,608.88, 66,932.64 and 40,079.04 is: 55,187.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,608.88 : 66,932.64 = 40,079.04 : x
  2. Step 2: Convert to fraction form
    48,608.88/66,932.64 = 40,079.04/x
  3. Step 3: Cross multiply
    48,608.88x = 66,932.64 × 40,079.04
  4. Step 4: Simplify right side
    48,608.88x = 2,682,595,955.87
  5. Step 5: Solve for x
    x = 2,682,595,955.87/48,608.88
  6. Step 6: Final answer
    x = 55,187.36

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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.