Home / 54,458.12-81,548.94-43,491.08

Finding the Fourth Proportional to 54,458.12, 81,548.94 and 43,491.08

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Solution

The fourth proportional to 54,458.12, 81,548.94 and 43,491.08 is: 65,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,458.12 : 81,548.94 = 43,491.08 : x
  2. Step 2: Convert to fraction form
    54,458.12/81,548.94 = 43,491.08/x
  3. Step 3: Cross multiply
    54,458.12x = 81,548.94 × 43,491.08
  4. Step 4: Simplify right side
    54,458.12x = 3,546,651,473.46
  5. Step 5: Solve for x
    x = 3,546,651,473.46/54,458.12
  6. Step 6: Final answer
    x = 65,126.22

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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.