Home / 50,916.73-70,261.91-30,761.70

Finding the Fourth Proportional to 50,916.73, 70,261.91 and 30,761.70

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Solution

The fourth proportional to 50,916.73, 70,261.91 and 30,761.70 is: 42,449.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,916.73 : 70,261.91 = 30,761.70 : x
  2. Step 2: Convert to fraction form
    50,916.73/70,261.91 = 30,761.70/x
  3. Step 3: Cross multiply
    50,916.73x = 70,261.91 × 30,761.70
  4. Step 4: Simplify right side
    50,916.73x = 2,161,375,796.85
  5. Step 5: Solve for x
    x = 2,161,375,796.85/50,916.73
  6. Step 6: Final answer
    x = 42,449.23

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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.