Home / 79,985.22-119,952.72-27,382.38

Finding the Fourth Proportional to 79,985.22, 119,952.72 and 27,382.38

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Solution

The fourth proportional to 79,985.22, 119,952.72 and 27,382.38 is: 41,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,985.22 : 119,952.72 = 27,382.38 : x
  2. Step 2: Convert to fraction form
    79,985.22/119,952.72 = 27,382.38/x
  3. Step 3: Cross multiply
    79,985.22x = 119,952.72 × 27,382.38
  4. Step 4: Simplify right side
    79,985.22x = 3,284,590,961.07
  5. Step 5: Solve for x
    x = 3,284,590,961.07/79,985.22
  6. Step 6: Final answer
    x = 41,064.97

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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.