Home / 54,268.20-81,402.30-41,146.20

Finding the Fourth Proportional to 54,268.20, 81,402.30 and 41,146.20

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Solution

The fourth proportional to 54,268.20, 81,402.30 and 41,146.20 is: 61,719.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,268.20 : 81,402.30 = 41,146.20 : x
  2. Step 2: Convert to fraction form
    54,268.20/81,402.30 = 41,146.20/x
  3. Step 3: Cross multiply
    54,268.20x = 81,402.30 × 41,146.20
  4. Step 4: Simplify right side
    54,268.20x = 3,349,395,316.26
  5. Step 5: Solve for x
    x = 3,349,395,316.26/54,268.20
  6. Step 6: Final answer
    x = 61,719.30

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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.