Home / 54,731.31-81,973.94-33,326.05

Finding the Fourth Proportional to 54,731.31, 81,973.94 and 33,326.05

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Solution

The fourth proportional to 54,731.31, 81,973.94 and 33,326.05 is: 49,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,731.31 : 81,973.94 = 33,326.05 : x
  2. Step 2: Convert to fraction form
    54,731.31/81,973.94 = 33,326.05/x
  3. Step 3: Cross multiply
    54,731.31x = 81,973.94 × 33,326.05
  4. Step 4: Simplify right side
    54,731.31x = 2,731,867,501.52
  5. Step 5: Solve for x
    x = 2,731,867,501.52/54,731.31
  6. Step 6: Final answer
    x = 49,914.16

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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.