Home / 54,330.08-81,512.87-26,253.36

Finding the Fourth Proportional to 54,330.08, 81,512.87 and 26,253.36

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Solution

The fourth proportional to 54,330.08, 81,512.87 and 26,253.36 is: 39,388.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,330.08 : 81,512.87 = 26,253.36 : x
  2. Step 2: Convert to fraction form
    54,330.08/81,512.87 = 26,253.36/x
  3. Step 3: Cross multiply
    54,330.08x = 81,512.87 × 26,253.36
  4. Step 4: Simplify right side
    54,330.08x = 2,139,986,589.48
  5. Step 5: Solve for x
    x = 2,139,986,589.48/54,330.08
  6. Step 6: Final answer
    x = 39,388.62

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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.