Home / 66,169.29-99,243.48-54,996.36

Finding the Fourth Proportional to 66,169.29, 99,243.48 and 54,996.36

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Solution

The fourth proportional to 66,169.29, 99,243.48 and 54,996.36 is: 82,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,169.29 : 99,243.48 = 54,996.36 : x
  2. Step 2: Convert to fraction form
    66,169.29/99,243.48 = 54,996.36/x
  3. Step 3: Cross multiply
    66,169.29x = 99,243.48 × 54,996.36
  4. Step 4: Simplify right side
    66,169.29x = 5,458,030,153.73
  5. Step 5: Solve for x
    x = 5,458,030,153.73/66,169.29
  6. Step 6: Final answer
    x = 82,485.85

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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.