Home / 57,027.22-78,694.36-31,532.10

Finding the Fourth Proportional to 57,027.22, 78,694.36 and 31,532.10

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Solution

The fourth proportional to 57,027.22, 78,694.36 and 31,532.10 is: 43,512.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,027.22 : 78,694.36 = 31,532.10 : x
  2. Step 2: Convert to fraction form
    57,027.22/78,694.36 = 31,532.10/x
  3. Step 3: Cross multiply
    57,027.22x = 78,694.36 × 31,532.10
  4. Step 4: Simplify right side
    57,027.22x = 2,481,398,428.96
  5. Step 5: Solve for x
    x = 2,481,398,428.96/57,027.22
  6. Step 6: Final answer
    x = 43,512.53

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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.