Home / 50,640.42-75,954.33-31,666.71

Finding the Fourth Proportional to 50,640.42, 75,954.33 and 31,666.71

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Solution

The fourth proportional to 50,640.42, 75,954.33 and 31,666.71 is: 47,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,640.42 : 75,954.33 = 31,666.71 : x
  2. Step 2: Convert to fraction form
    50,640.42/75,954.33 = 31,666.71/x
  3. Step 3: Cross multiply
    50,640.42x = 75,954.33 × 31,666.71
  4. Step 4: Simplify right side
    50,640.42x = 2,405,223,583.02
  5. Step 5: Solve for x
    x = 2,405,223,583.02/50,640.42
  6. Step 6: Final answer
    x = 47,496.12

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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.