Home / 81,103.28-121,653.66-24,944.12

Finding the Fourth Proportional to 81,103.28, 121,653.66 and 24,944.12

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Solution

The fourth proportional to 81,103.28, 121,653.66 and 24,944.12 is: 37,415.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,103.28 : 121,653.66 = 24,944.12 : x
  2. Step 2: Convert to fraction form
    81,103.28/121,653.66 = 24,944.12/x
  3. Step 3: Cross multiply
    81,103.28x = 121,653.66 × 24,944.12
  4. Step 4: Simplify right side
    81,103.28x = 3,034,543,493.48
  5. Step 5: Solve for x
    x = 3,034,543,493.48/81,103.28
  6. Step 6: Final answer
    x = 37,415.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.