Home / 52,961.81-73,056.79-31,728.78

Finding the Fourth Proportional to 52,961.81, 73,056.79 and 31,728.78

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Solution

The fourth proportional to 52,961.81, 73,056.79 and 31,728.78 is: 43,767.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,961.81 : 73,056.79 = 31,728.78 : x
  2. Step 2: Convert to fraction form
    52,961.81/73,056.79 = 31,728.78/x
  3. Step 3: Cross multiply
    52,961.81x = 73,056.79 × 31,728.78
  4. Step 4: Simplify right side
    52,961.81x = 2,318,002,293.49
  5. Step 5: Solve for x
    x = 2,318,002,293.49/52,961.81
  6. Step 6: Final answer
    x = 43,767.43

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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.