Home / 50,363.12-69,512.34-39,439.59

Finding the Fourth Proportional to 50,363.12, 69,512.34 and 39,439.59

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Solution

The fourth proportional to 50,363.12, 69,512.34 and 39,439.59 is: 54,435.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,363.12 : 69,512.34 = 39,439.59 : x
  2. Step 2: Convert to fraction form
    50,363.12/69,512.34 = 39,439.59/x
  3. Step 3: Cross multiply
    50,363.12x = 69,512.34 × 39,439.59
  4. Step 4: Simplify right side
    50,363.12x = 2,741,537,841.98
  5. Step 5: Solve for x
    x = 2,741,537,841.98/50,363.12
  6. Step 6: Final answer
    x = 54,435.43

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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.