Home / 54,877.96-82,185.72-52,122.34

Finding the Fourth Proportional to 54,877.96, 82,185.72 and 52,122.34

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Solution

The fourth proportional to 54,877.96, 82,185.72 and 52,122.34 is: 78,058.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,877.96 : 82,185.72 = 52,122.34 : x
  2. Step 2: Convert to fraction form
    54,877.96/82,185.72 = 52,122.34/x
  3. Step 3: Cross multiply
    54,877.96x = 82,185.72 × 52,122.34
  4. Step 4: Simplify right side
    54,877.96x = 4,283,712,040.98
  5. Step 5: Solve for x
    x = 4,283,712,040.98/54,877.96
  6. Step 6: Final answer
    x = 78,058.88

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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.