Home / 54,264.87-74,882.07-30,391.34

Finding the Fourth Proportional to 54,264.87, 74,882.07 and 30,391.34

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Solution

The fourth proportional to 54,264.87, 74,882.07 and 30,391.34 is: 41,938.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,264.87 : 74,882.07 = 30,391.34 : x
  2. Step 2: Convert to fraction form
    54,264.87/74,882.07 = 30,391.34/x
  3. Step 3: Cross multiply
    54,264.87x = 74,882.07 × 30,391.34
  4. Step 4: Simplify right side
    54,264.87x = 2,275,766,074.86
  5. Step 5: Solve for x
    x = 2,275,766,074.86/54,264.87
  6. Step 6: Final answer
    x = 41,938.11

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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.