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Finding the Fourth Proportional to 67,326.33, 100,194.77 and 65,083.94

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Solution

The fourth proportional to 67,326.33, 100,194.77 and 65,083.94 is: 96,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,326.33 : 100,194.77 = 65,083.94 : x
  2. Step 2: Convert to fraction form
    67,326.33/100,194.77 = 65,083.94/x
  3. Step 3: Cross multiply
    67,326.33x = 100,194.77 × 65,083.94
  4. Step 4: Simplify right side
    67,326.33x = 6,521,070,073.57
  5. Step 5: Solve for x
    x = 6,521,070,073.57/67,326.33
  6. Step 6: Final answer
    x = 96,857.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.