Home / 54,619.60-75,375.48-30,754.84

Finding the Fourth Proportional to 54,619.60, 75,375.48 and 30,754.84

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Solution

The fourth proportional to 54,619.60, 75,375.48 and 30,754.84 is: 42,441.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,619.60 : 75,375.48 = 30,754.84 : x
  2. Step 2: Convert to fraction form
    54,619.60/75,375.48 = 30,754.84/x
  3. Step 3: Cross multiply
    54,619.60x = 75,375.48 × 30,754.84
  4. Step 4: Simplify right side
    54,619.60x = 2,318,160,827.32
  5. Step 5: Solve for x
    x = 2,318,160,827.32/54,619.60
  6. Step 6: Final answer
    x = 42,441.92

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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.