Home / 66,630.84-99,901.80-27,177.36

Finding the Fourth Proportional to 66,630.84, 99,901.80 and 27,177.36

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Solution

The fourth proportional to 66,630.84, 99,901.80 and 27,177.36 is: 40,747.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,630.84 : 99,901.80 = 27,177.36 : x
  2. Step 2: Convert to fraction form
    66,630.84/99,901.80 = 27,177.36/x
  3. Step 3: Cross multiply
    66,630.84x = 99,901.80 × 27,177.36
  4. Step 4: Simplify right side
    66,630.84x = 2,715,067,183.25
  5. Step 5: Solve for x
    x = 2,715,067,183.25/66,630.84
  6. Step 6: Final answer
    x = 40,747.91

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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.