Home / 67,166.55-100,727.28-33,865.38

Finding the Fourth Proportional to 67,166.55, 100,727.28 and 33,865.38

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Solution

The fourth proportional to 67,166.55, 100,727.28 and 33,865.38 is: 50,786.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,166.55 : 100,727.28 = 33,865.38 : x
  2. Step 2: Convert to fraction form
    67,166.55/100,727.28 = 33,865.38/x
  3. Step 3: Cross multiply
    67,166.55x = 100,727.28 × 33,865.38
  4. Step 4: Simplify right side
    67,166.55x = 3,411,167,613.57
  5. Step 5: Solve for x
    x = 3,411,167,613.57/67,166.55
  6. Step 6: Final answer
    x = 50,786.70

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1.5x scale

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.