Home / 54,119.64-81,246.12-25,683.72

Finding the Fourth Proportional to 54,119.64, 81,246.12 and 25,683.72

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Solution

The fourth proportional to 54,119.64, 81,246.12 and 25,683.72 is: 38,557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,119.64 : 81,246.12 = 25,683.72 : x
  2. Step 2: Convert to fraction form
    54,119.64/81,246.12 = 25,683.72/x
  3. Step 3: Cross multiply
    54,119.64x = 81,246.12 × 25,683.72
  4. Step 4: Simplify right side
    54,119.64x = 2,086,702,597.17
  5. Step 5: Solve for x
    x = 2,086,702,597.17/54,119.64
  6. Step 6: Final answer
    x = 38,557.22

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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.