Home / 91,257.20-125,933.60-50,971.53

Finding the Fourth Proportional to 91,257.20, 125,933.60 and 50,971.53

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Solution

The fourth proportional to 91,257.20, 125,933.60 and 50,971.53 is: 70,339.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,257.20 : 125,933.60 = 50,971.53 : x
  2. Step 2: Convert to fraction form
    91,257.20/125,933.60 = 50,971.53/x
  3. Step 3: Cross multiply
    91,257.20x = 125,933.60 × 50,971.53
  4. Step 4: Simplify right side
    91,257.20x = 6,419,028,397.84
  5. Step 5: Solve for x
    x = 6,419,028,397.84/91,257.20
  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.