Home / 50,905.20-70,255.41-29,394.89

Finding the Fourth Proportional to 50,905.20, 70,255.41 and 29,394.89

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Solution

The fourth proportional to 50,905.20, 70,255.41 and 29,394.89 is: 40,568.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,905.20 : 70,255.41 = 29,394.89 : x
  2. Step 2: Convert to fraction form
    50,905.20/70,255.41 = 29,394.89/x
  3. Step 3: Cross multiply
    50,905.20x = 70,255.41 × 29,394.89
  4. Step 4: Simplify right side
    50,905.20x = 2,065,150,048.85
  5. Step 5: Solve for x
    x = 2,065,150,048.85/50,905.20
  6. Step 6: Final answer
    x = 40,568.55

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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.