Home / 91,265.25-125,944.68-50,979.60

Finding the Fourth Proportional to 91,265.25, 125,944.68 and 50,979.60

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Solution

The fourth proportional to 91,265.25, 125,944.68 and 50,979.60 is: 70,351.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,265.25 : 125,944.68 = 50,979.60 : x
  2. Step 2: Convert to fraction form
    91,265.25/125,944.68 = 50,979.60/x
  3. Step 3: Cross multiply
    91,265.25x = 125,944.68 × 50,979.60
  4. Step 4: Simplify right side
    91,265.25x = 6,420,609,408.53
  5. Step 5: Solve for x
    x = 6,420,609,408.53/91,265.25
  6. Step 6: Final answer
    x = 70,351.09

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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.