Home / 80,887.66-121,331.81-24,727.56

Finding the Fourth Proportional to 80,887.66, 121,331.81 and 24,727.56

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Solution

The fourth proportional to 80,887.66, 121,331.81 and 24,727.56 is: 37,091.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,887.66 : 121,331.81 = 24,727.56 : x
  2. Step 2: Convert to fraction form
    80,887.66/121,331.81 = 24,727.56/x
  3. Step 3: Cross multiply
    80,887.66x = 121,331.81 × 24,727.56
  4. Step 4: Simplify right side
    80,887.66x = 3,000,239,611.68
  5. Step 5: Solve for x
    x = 3,000,239,611.68/80,887.66
  6. Step 6: Final answer
    x = 37,091.44

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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.