Home / 75,382.54-104,029.88-41,393.21

Finding the Fourth Proportional to 75,382.54, 104,029.88 and 41,393.21

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Solution

The fourth proportional to 75,382.54, 104,029.88 and 41,393.21 is: 57,123.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,382.54 : 104,029.88 = 41,393.21 : x
  2. Step 2: Convert to fraction form
    75,382.54/104,029.88 = 41,393.21/x
  3. Step 3: Cross multiply
    75,382.54x = 104,029.88 × 41,393.21
  4. Step 4: Simplify right side
    75,382.54x = 4,306,130,669.11
  5. Step 5: Solve for x
    x = 4,306,130,669.11/75,382.54
  6. Step 6: Final answer
    x = 57,123.71

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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.