Home / 50,640.05-75,953.77-31,666.34

Finding the Fourth Proportional to 50,640.05, 75,953.77 and 31,666.34

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Solution

The fourth proportional to 50,640.05, 75,953.77 and 31,666.34 is: 47,495.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,640.05 : 75,953.77 = 31,666.34 : x
  2. Step 2: Convert to fraction form
    50,640.05/75,953.77 = 31,666.34/x
  3. Step 3: Cross multiply
    50,640.05x = 75,953.77 × 31,666.34
  4. Step 4: Simplify right side
    50,640.05x = 2,405,177,367.00
  5. Step 5: Solve for x
    x = 2,405,177,367.00/50,640.05
  6. Step 6: Final answer
    x = 47,495.56

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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.