Home / 79,968.63-119,953.08-27,378.57

Finding the Fourth Proportional to 79,968.63, 119,953.08 and 27,378.57

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Solution

The fourth proportional to 79,968.63, 119,953.08 and 27,378.57 is: 41,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,968.63 : 119,953.08 = 27,378.57 : x
  2. Step 2: Convert to fraction form
    79,968.63/119,953.08 = 27,378.57/x
  3. Step 3: Cross multiply
    79,968.63x = 119,953.08 × 27,378.57
  4. Step 4: Simplify right side
    79,968.63x = 3,284,143,797.50
  5. Step 5: Solve for x
    x = 3,284,143,797.50/79,968.63
  6. Step 6: Final answer
    x = 41,067.90

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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.