Home / 54,975.96-75,872.25-39,675.15

Finding the Fourth Proportional to 54,975.96, 75,872.25 and 39,675.15

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Solution

The fourth proportional to 54,975.96, 75,872.25 and 39,675.15 is: 54,755.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,975.96 : 75,872.25 = 39,675.15 : x
  2. Step 2: Convert to fraction form
    54,975.96/75,872.25 = 39,675.15/x
  3. Step 3: Cross multiply
    54,975.96x = 75,872.25 × 39,675.15
  4. Step 4: Simplify right side
    54,975.96x = 3,010,242,899.59
  5. Step 5: Solve for x
    x = 3,010,242,899.59/54,975.96
  6. Step 6: Final answer
    x = 54,755.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.