Home / 79,665.30-119,514.27-66,608.94

Finding the Fourth Proportional to 79,665.30, 119,514.27 and 66,608.94

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Solution

The fourth proportional to 79,665.30, 119,514.27 and 66,608.94 is: 99,927.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,665.30 : 119,514.27 = 66,608.94 : x
  2. Step 2: Convert to fraction form
    79,665.30/119,514.27 = 66,608.94/x
  3. Step 3: Cross multiply
    79,665.30x = 119,514.27 × 66,608.94
  4. Step 4: Simplify right side
    79,665.30x = 7,960,718,839.57
  5. Step 5: Solve for x
    x = 7,960,718,839.57/79,665.30
  6. Step 6: Final answer
    x = 99,927.06

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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.