Home / 91,257.22-125,933.62-50,971.54

Finding the Fourth Proportional to 91,257.22, 125,933.62 and 50,971.54

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Solution

The fourth proportional to 91,257.22, 125,933.62 and 50,971.54 is: 70,339.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,257.22 : 125,933.62 = 50,971.54 : x
  2. Step 2: Convert to fraction form
    91,257.22/125,933.62 = 50,971.54/x
  3. Step 3: Cross multiply
    91,257.22x = 125,933.62 × 50,971.54
  4. Step 4: Simplify right side
    91,257.22x = 6,419,030,549.17
  5. Step 5: Solve for x
    x = 6,419,030,549.17/91,257.22
  6. Step 6: Final answer
    x = 70,339.97

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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.