Home / 67,145.38-92,629.56-40,241.18

Finding the Fourth Proportional to 67,145.38, 92,629.56 and 40,241.18

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Solution

The fourth proportional to 67,145.38, 92,629.56 and 40,241.18 is: 55,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,145.38 : 92,629.56 = 40,241.18 : x
  2. Step 2: Convert to fraction form
    67,145.38/92,629.56 = 40,241.18/x
  3. Step 3: Cross multiply
    67,145.38x = 92,629.56 × 40,241.18
  4. Step 4: Simplify right side
    67,145.38x = 3,727,522,797.28
  5. Step 5: Solve for x
    x = 3,727,522,797.28/67,145.38
  6. Step 6: Final answer
    x = 55,514.21

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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.