Home / 50,744.38-70,061.70-31,631.80

Finding the Fourth Proportional to 50,744.38, 70,061.70 and 31,631.80

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Solution

The fourth proportional to 50,744.38, 70,061.70 and 31,631.80 is: 43,673.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,744.38 : 70,061.70 = 31,631.80 : x
  2. Step 2: Convert to fraction form
    50,744.38/70,061.70 = 31,631.80/x
  3. Step 3: Cross multiply
    50,744.38x = 70,061.70 × 31,631.80
  4. Step 4: Simplify right side
    50,744.38x = 2,216,177,682.06
  5. Step 5: Solve for x
    x = 2,216,177,682.06/50,744.38
  6. Step 6: Final answer
    x = 43,673.36

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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.