Home / 90,736.47-125,198.06-53,003.43

Finding the Fourth Proportional to 90,736.47, 125,198.06 and 53,003.43

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Solution

The fourth proportional to 90,736.47, 125,198.06 and 53,003.43 is: 73,134.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,736.47 : 125,198.06 = 53,003.43 : x
  2. Step 2: Convert to fraction form
    90,736.47/125,198.06 = 53,003.43/x
  3. Step 3: Cross multiply
    90,736.47x = 125,198.06 × 53,003.43
  4. Step 4: Simplify right side
    90,736.47x = 6,635,926,344.33
  5. Step 5: Solve for x
    x = 6,635,926,344.33/90,736.47
  6. Step 6: Final answer
    x = 73,134.06

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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.