Home / 45,550.50-68,361.03-31,608.42

Finding the Fourth Proportional to 45,550.50, 68,361.03 and 31,608.42

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Solution

The fourth proportional to 45,550.50, 68,361.03 and 31,608.42 is: 47,437.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,550.50 : 68,361.03 = 31,608.42 : x
  2. Step 2: Convert to fraction form
    45,550.50/68,361.03 = 31,608.42/x
  3. Step 3: Cross multiply
    45,550.50x = 68,361.03 × 31,608.42
  4. Step 4: Simplify right side
    45,550.50x = 2,160,784,147.87
  5. Step 5: Solve for x
    x = 2,160,784,147.87/45,550.50
  6. Step 6: Final answer
    x = 47,437.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.