Home / 47,912.78-66,084.44-31,750.85

Finding the Fourth Proportional to 47,912.78, 66,084.44 and 31,750.85

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Solution

The fourth proportional to 47,912.78, 66,084.44 and 31,750.85 is: 43,792.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,912.78 : 66,084.44 = 31,750.85 : x
  2. Step 2: Convert to fraction form
    47,912.78/66,084.44 = 31,750.85/x
  3. Step 3: Cross multiply
    47,912.78x = 66,084.44 × 31,750.85
  4. Step 4: Simplify right side
    47,912.78x = 2,098,236,652.60
  5. Step 5: Solve for x
    x = 2,098,236,652.60/47,912.78
  6. Step 6: Final answer
    x = 43,792.84

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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.