Home / 54,768.29-81,992.25-49,515.39

Finding the Fourth Proportional to 54,768.29, 81,992.25 and 49,515.39

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Solution

The fourth proportional to 54,768.29, 81,992.25 and 49,515.39 is: 74,128.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,768.29 : 81,992.25 = 49,515.39 : x
  2. Step 2: Convert to fraction form
    54,768.29/81,992.25 = 49,515.39/x
  3. Step 3: Cross multiply
    54,768.29x = 81,992.25 × 49,515.39
  4. Step 4: Simplify right side
    54,768.29x = 4,059,878,235.73
  5. Step 5: Solve for x
    x = 4,059,878,235.73/54,768.29
  6. Step 6: Final answer
    x = 74,128.27

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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.