Home / 54,276.40-81,539.75-52,034.42

Finding the Fourth Proportional to 54,276.40, 81,539.75 and 52,034.42

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Solution

The fourth proportional to 54,276.40, 81,539.75 and 52,034.42 is: 78,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,276.40 : 81,539.75 = 52,034.42 : x
  2. Step 2: Convert to fraction form
    54,276.40/81,539.75 = 52,034.42/x
  3. Step 3: Cross multiply
    54,276.40x = 81,539.75 × 52,034.42
  4. Step 4: Simplify right side
    54,276.40x = 4,242,873,180.78
  5. Step 5: Solve for x
    x = 4,242,873,180.78/54,276.40
  6. Step 6: Final answer
    x = 78,171.61

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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.