Home / 57,764.92-86,548.80-31,422.64

Finding the Fourth Proportional to 57,764.92, 86,548.80 and 31,422.64

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Solution

The fourth proportional to 57,764.92, 86,548.80 and 31,422.64 is: 47,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,764.92 : 86,548.80 = 31,422.64 : x
  2. Step 2: Convert to fraction form
    57,764.92/86,548.80 = 31,422.64/x
  3. Step 3: Cross multiply
    57,764.92x = 86,548.80 × 31,422.64
  4. Step 4: Simplify right side
    57,764.92x = 2,719,591,784.83
  5. Step 5: Solve for x
    x = 2,719,591,784.83/57,764.92
  6. Step 6: Final answer
    x = 47,080.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.