Home / 75,376.38-104,018.94-41,385.48

Finding the Fourth Proportional to 75,376.38, 104,018.94 and 41,385.48

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Solution

The fourth proportional to 75,376.38, 104,018.94 and 41,385.48 is: 57,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,376.38 : 104,018.94 = 41,385.48 : x
  2. Step 2: Convert to fraction form
    75,376.38/104,018.94 = 41,385.48/x
  3. Step 3: Cross multiply
    75,376.38x = 104,018.94 × 41,385.48
  4. Step 4: Simplify right side
    75,376.38x = 4,304,873,760.99
  5. Step 5: Solve for x
    x = 4,304,873,760.99/75,376.38
  6. Step 6: Final answer
    x = 57,111.71

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1.5x scale

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.