Home / 50,716.89-69,966-32,817.78

Finding the Fourth Proportional to 50,716.89, 69,966 and 32,817.78

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Solution

The fourth proportional to 50,716.89, 69,966 and 32,817.78 is: 45,273.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,716.89 : 69,966 = 32,817.78 : x
  2. Step 2: Convert to fraction form
    50,716.89/69,966 = 32,817.78/x
  3. Step 3: Cross multiply
    50,716.89x = 69,966 × 32,817.78
  4. Step 4: Simplify right side
    50,716.89x = 2,296,128,795.48
  5. Step 5: Solve for x
    x = 2,296,128,795.48/50,716.89
  6. Step 6: Final answer
    x = 45,273.45

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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.