Home / 54,591.21-81,755.59-31,146.57

Finding the Fourth Proportional to 54,591.21, 81,755.59 and 31,146.57

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Solution

The fourth proportional to 54,591.21, 81,755.59 and 31,146.57 is: 46,644.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,591.21 : 81,755.59 = 31,146.57 : x
  2. Step 2: Convert to fraction form
    54,591.21/81,755.59 = 31,146.57/x
  3. Step 3: Cross multiply
    54,591.21x = 81,755.59 × 31,146.57
  4. Step 4: Simplify right side
    54,591.21x = 2,546,405,642.32
  5. Step 5: Solve for x
    x = 2,546,405,642.32/54,591.21
  6. Step 6: Final answer
    x = 46,644.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.