Home / 80,824.43-121,236.65-24,664.83

Finding the Fourth Proportional to 80,824.43, 121,236.65 and 24,664.83

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Solution

The fourth proportional to 80,824.43, 121,236.65 and 24,664.83 is: 36,997.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,824.43 : 121,236.65 = 24,664.83 : x
  2. Step 2: Convert to fraction form
    80,824.43/121,236.65 = 24,664.83/x
  3. Step 3: Cross multiply
    80,824.43x = 121,236.65 × 24,664.83
  4. Step 4: Simplify right side
    80,824.43x = 2,990,281,362.02
  5. Step 5: Solve for x
    x = 2,990,281,362.02/80,824.43
  6. Step 6: Final answer
    x = 36,997.25

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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.