Home / 57,076.24-78,758.46-31,579.22

Finding the Fourth Proportional to 57,076.24, 78,758.46 and 31,579.22

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Solution

The fourth proportional to 57,076.24, 78,758.46 and 31,579.22 is: 43,575.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,076.24 : 78,758.46 = 31,579.22 : x
  2. Step 2: Convert to fraction form
    57,076.24/78,758.46 = 31,579.22/x
  3. Step 3: Cross multiply
    57,076.24x = 78,758.46 × 31,579.22
  4. Step 4: Simplify right side
    57,076.24x = 2,487,130,735.20
  5. Step 5: Solve for x
    x = 2,487,130,735.20/57,076.24
  6. Step 6: Final answer
    x = 43,575.59

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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.