Home / 67,122.54-92,631.33-36,909

Finding the Fourth Proportional to 67,122.54, 92,631.33 and 36,909

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Solution

The fourth proportional to 67,122.54, 92,631.33 and 36,909 is: 50,935.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,122.54 : 92,631.33 = 36,909 : x
  2. Step 2: Convert to fraction form
    67,122.54/92,631.33 = 36,909/x
  3. Step 3: Cross multiply
    67,122.54x = 92,631.33 × 36,909
  4. Step 4: Simplify right side
    67,122.54x = 3,418,929,758.97
  5. Step 5: Solve for x
    x = 3,418,929,758.97/67,122.54
  6. Step 6: Final answer
    x = 50,935.64

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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.