Home / 57,102.44-78,796.43-31,608.83

Finding the Fourth Proportional to 57,102.44, 78,796.43 and 31,608.83

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Solution

The fourth proportional to 57,102.44, 78,796.43 and 31,608.83 is: 43,617.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102.44 : 78,796.43 = 31,608.83 : x
  2. Step 2: Convert to fraction form
    57,102.44/78,796.43 = 31,608.83/x
  3. Step 3: Cross multiply
    57,102.44x = 78,796.43 × 31,608.83
  4. Step 4: Simplify right side
    57,102.44x = 2,490,663,117.96
  5. Step 5: Solve for x
    x = 2,490,663,117.96/57,102.44
  6. Step 6: Final answer
    x = 43,617.46

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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.