Home / 67,377.96-92,981.42-40,536.04

Finding the Fourth Proportional to 67,377.96, 92,981.42 and 40,536.04

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Solution

The fourth proportional to 67,377.96, 92,981.42 and 40,536.04 is: 55,939.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,377.96 : 92,981.42 = 40,536.04 : x
  2. Step 2: Convert to fraction form
    67,377.96/92,981.42 = 40,536.04/x
  3. Step 3: Cross multiply
    67,377.96x = 92,981.42 × 40,536.04
  4. Step 4: Simplify right side
    67,377.96x = 3,769,098,560.38
  5. Step 5: Solve for x
    x = 3,769,098,560.38/67,377.96
  6. Step 6: Final answer
    x = 55,939.64

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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.