Home / 50,286.68-69,403.20-29,065.40

Finding the Fourth Proportional to 50,286.68, 69,403.20 and 29,065.40

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Solution

The fourth proportional to 50,286.68, 69,403.20 and 29,065.40 is: 40,114.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,286.68 : 69,403.20 = 29,065.40 : x
  2. Step 2: Convert to fraction form
    50,286.68/69,403.20 = 29,065.40/x
  3. Step 3: Cross multiply
    50,286.68x = 69,403.20 × 29,065.40
  4. Step 4: Simplify right side
    50,286.68x = 2,017,231,769.28
  5. Step 5: Solve for x
    x = 2,017,231,769.28/50,286.68
  6. Step 6: Final answer
    x = 40,114.63

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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.