Home / 57,014.14-78,679.62-31,863.64

Finding the Fourth Proportional to 57,014.14, 78,679.62 and 31,863.64

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Solution

The fourth proportional to 57,014.14, 78,679.62 and 31,863.64 is: 43,971.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,014.14 : 78,679.62 = 31,863.64 : x
  2. Step 2: Convert to fraction form
    57,014.14/78,679.62 = 31,863.64/x
  3. Step 3: Cross multiply
    57,014.14x = 78,679.62 × 31,863.64
  4. Step 4: Simplify right side
    57,014.14x = 2,507,019,087.02
  5. Step 5: Solve for x
    x = 2,507,019,087.02/57,014.14
  6. Step 6: Final answer
    x = 43,971.88

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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.