Home / 88,245.28-121,778.34-47,958.92

Finding the Fourth Proportional to 88,245.28, 121,778.34 and 47,958.92

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Solution

The fourth proportional to 88,245.28, 121,778.34 and 47,958.92 is: 66,183.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,245.28 : 121,778.34 = 47,958.92 : x
  2. Step 2: Convert to fraction form
    88,245.28/121,778.34 = 47,958.92/x
  3. Step 3: Cross multiply
    88,245.28x = 121,778.34 × 47,958.92
  4. Step 4: Simplify right side
    88,245.28x = 5,840,357,665.79
  5. Step 5: Solve for x
    x = 5,840,357,665.79/88,245.28
  6. Step 6: Final answer
    x = 66,183.23

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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.