Home / 65,231.07-90,016.35-36,936.83

Finding the Fourth Proportional to 65,231.07, 90,016.35 and 36,936.83

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Solution

The fourth proportional to 65,231.07, 90,016.35 and 36,936.83 is: 50,971.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,231.07 : 90,016.35 = 36,936.83 : x
  2. Step 2: Convert to fraction form
    65,231.07/90,016.35 = 36,936.83/x
  3. Step 3: Cross multiply
    65,231.07x = 90,016.35 × 36,936.83
  4. Step 4: Simplify right side
    65,231.07x = 3,324,918,167.09
  5. Step 5: Solve for x
    x = 3,324,918,167.09/65,231.07
  6. Step 6: Final answer
    x = 50,971.39

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1.5x scale

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.