Home / 57,003.96-78,665.34-31,853.46

Finding the Fourth Proportional to 57,003.96, 78,665.34 and 31,853.46

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Solution

The fourth proportional to 57,003.96, 78,665.34 and 31,853.46 is: 43,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,003.96 : 78,665.34 = 31,853.46 : x
  2. Step 2: Convert to fraction form
    57,003.96/78,665.34 = 31,853.46/x
  3. Step 3: Cross multiply
    57,003.96x = 78,665.34 × 31,853.46
  4. Step 4: Simplify right side
    57,003.96x = 2,505,763,261.08
  5. Step 5: Solve for x
    x = 2,505,763,261.08/57,003.96
  6. Step 6: Final answer
    x = 43,957.71

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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.