Home / 54,327.93-74,972.30-30,454.61

Finding the Fourth Proportional to 54,327.93, 74,972.30 and 30,454.61

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Solution

The fourth proportional to 54,327.93, 74,972.30 and 30,454.61 is: 42,027.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327.93 : 74,972.30 = 30,454.61 : x
  2. Step 2: Convert to fraction form
    54,327.93/74,972.30 = 30,454.61/x
  3. Step 3: Cross multiply
    54,327.93x = 74,972.30 × 30,454.61
  4. Step 4: Simplify right side
    54,327.93x = 2,283,252,157.30
  5. Step 5: Solve for x
    x = 2,283,252,157.30/54,327.93
  6. Step 6: Final answer
    x = 42,027.23

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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.