Home / 50,306.42-69,418.79-29,087.05

Finding the Fourth Proportional to 50,306.42, 69,418.79 and 29,087.05

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Solution

The fourth proportional to 50,306.42, 69,418.79 and 29,087.05 is: 40,137.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,306.42 : 69,418.79 = 29,087.05 : x
  2. Step 2: Convert to fraction form
    50,306.42/69,418.79 = 29,087.05/x
  3. Step 3: Cross multiply
    50,306.42x = 69,418.79 × 29,087.05
  4. Step 4: Simplify right side
    50,306.42x = 2,019,187,815.67
  5. Step 5: Solve for x
    x = 2,019,187,815.67/50,306.42
  6. Step 6: Final answer
    x = 40,137.78

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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.