Home / 67,264.03-100,909.34-19,879.97

Finding the Fourth Proportional to 67,264.03, 100,909.34 and 19,879.97

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Solution

The fourth proportional to 67,264.03, 100,909.34 and 19,879.97 is: 29,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,264.03 : 100,909.34 = 19,879.97 : x
  2. Step 2: Convert to fraction form
    67,264.03/100,909.34 = 19,879.97/x
  3. Step 3: Cross multiply
    67,264.03x = 100,909.34 × 19,879.97
  4. Step 4: Simplify right side
    67,264.03x = 2,006,074,552.52
  5. Step 5: Solve for x
    x = 2,006,074,552.52/67,264.03
  6. Step 6: Final answer
    x = 29,823.89

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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.