Home / 91,251.20-125,925.33-50,965.53

Finding the Fourth Proportional to 91,251.20, 125,925.33 and 50,965.53

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Solution

The fourth proportional to 91,251.20, 125,925.33 and 50,965.53 is: 70,331.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,251.20 : 125,925.33 = 50,965.53 : x
  2. Step 2: Convert to fraction form
    91,251.20/125,925.33 = 50,965.53/x
  3. Step 3: Cross multiply
    91,251.20x = 125,925.33 × 50,965.53
  4. Step 4: Simplify right side
    91,251.20x = 6,417,851,183.87
  5. Step 5: Solve for x
    x = 6,417,851,183.87/91,251.20
  6. Step 6: Final answer
    x = 70,331.69

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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.