Home / 67,371.45-92,968.66-38,684.49

Finding the Fourth Proportional to 67,371.45, 92,968.66 and 38,684.49

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Solution

The fourth proportional to 67,371.45, 92,968.66 and 38,684.49 is: 53,382.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,371.45 : 92,968.66 = 38,684.49 : x
  2. Step 2: Convert to fraction form
    67,371.45/92,968.66 = 38,684.49/x
  3. Step 3: Cross multiply
    67,371.45x = 92,968.66 × 38,684.49
  4. Step 4: Simplify right side
    67,371.45x = 3,596,445,198.08
  5. Step 5: Solve for x
    x = 3,596,445,198.08/67,371.45
  6. Step 6: Final answer
    x = 53,382.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.