Home / 66,979.14-100,468.71-27,508.56

Finding the Fourth Proportional to 66,979.14, 100,468.71 and 27,508.56

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Solution

The fourth proportional to 66,979.14, 100,468.71 and 27,508.56 is: 41,262.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,979.14 : 100,468.71 = 27,508.56 : x
  2. Step 2: Convert to fraction form
    66,979.14/100,468.71 = 27,508.56/x
  3. Step 3: Cross multiply
    66,979.14x = 100,468.71 × 27,508.56
  4. Step 4: Simplify right side
    66,979.14x = 2,763,749,537.16
  5. Step 5: Solve for x
    x = 2,763,749,537.16/66,979.14
  6. Step 6: Final answer
    x = 41,262.84

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1.5x scale

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.