Home / 54,335.43-74,986.52-30,463.65

Finding the Fourth Proportional to 54,335.43, 74,986.52 and 30,463.65

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Solution

The fourth proportional to 54,335.43, 74,986.52 and 30,463.65 is: 42,041.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,335.43 : 74,986.52 = 30,463.65 : x
  2. Step 2: Convert to fraction form
    54,335.43/74,986.52 = 30,463.65/x
  3. Step 3: Cross multiply
    54,335.43x = 74,986.52 × 30,463.65
  4. Step 4: Simplify right side
    54,335.43x = 2,284,362,947.68
  5. Step 5: Solve for x
    x = 2,284,362,947.68/54,335.43
  6. Step 6: Final answer
    x = 42,041.87

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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.