Home / 54,412.14-81,663.21-27,777.83

Finding the Fourth Proportional to 54,412.14, 81,663.21 and 27,777.83

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Solution

The fourth proportional to 54,412.14, 81,663.21 and 27,777.83 is: 41,689.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,412.14 : 81,663.21 = 27,777.83 : x
  2. Step 2: Convert to fraction form
    54,412.14/81,663.21 = 27,777.83/x
  3. Step 3: Cross multiply
    54,412.14x = 81,663.21 × 27,777.83
  4. Step 4: Simplify right side
    54,412.14x = 2,268,426,356.32
  5. Step 5: Solve for x
    x = 2,268,426,356.32/54,412.14
  6. Step 6: Final answer
    x = 41,689.71

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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.