Home / 54,305.33-81,406.94-28,003.01

Finding the Fourth Proportional to 54,305.33, 81,406.94 and 28,003.01

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Solution

The fourth proportional to 54,305.33, 81,406.94 and 28,003.01 is: 41,978.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,305.33 : 81,406.94 = 28,003.01 : x
  2. Step 2: Convert to fraction form
    54,305.33/81,406.94 = 28,003.01/x
  3. Step 3: Cross multiply
    54,305.33x = 81,406.94 × 28,003.01
  4. Step 4: Simplify right side
    54,305.33x = 2,279,638,807.84
  5. Step 5: Solve for x
    x = 2,279,638,807.84/54,305.33
  6. Step 6: Final answer
    x = 41,978.18

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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.