Home / 47,912.37-66,099.61-31,787.29

Finding the Fourth Proportional to 47,912.37, 66,099.61 and 31,787.29

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Solution

The fourth proportional to 47,912.37, 66,099.61 and 31,787.29 is: 43,853.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,912.37 : 66,099.61 = 31,787.29 : x
  2. Step 2: Convert to fraction form
    47,912.37/66,099.61 = 31,787.29/x
  3. Step 3: Cross multiply
    47,912.37x = 66,099.61 × 31,787.29
  4. Step 4: Simplify right side
    47,912.37x = 2,101,127,471.96
  5. Step 5: Solve for x
    x = 2,101,127,471.96/47,912.37
  6. Step 6: Final answer
    x = 43,853.55

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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.