Home / 57,287.39-79,057.28-31,794.26

Finding the Fourth Proportional to 57,287.39, 79,057.28 and 31,794.26

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Solution

The fourth proportional to 57,287.39, 79,057.28 and 31,794.26 is: 43,876.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,287.39 : 79,057.28 = 31,794.26 : x
  2. Step 2: Convert to fraction form
    57,287.39/79,057.28 = 31,794.26/x
  3. Step 3: Cross multiply
    57,287.39x = 79,057.28 × 31,794.26
  4. Step 4: Simplify right side
    57,287.39x = 2,513,567,399.41
  5. Step 5: Solve for x
    x = 2,513,567,399.41/57,287.39
  6. Step 6: Final answer
    x = 43,876.46

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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.