Home / 80,811.83-121,224.78-24,664.61

Finding the Fourth Proportional to 80,811.83, 121,224.78 and 24,664.61

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Solution

The fourth proportional to 80,811.83, 121,224.78 and 24,664.61 is: 36,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,811.83 : 121,224.78 = 24,664.61 : x
  2. Step 2: Convert to fraction form
    80,811.83/121,224.78 = 24,664.61/x
  3. Step 3: Cross multiply
    80,811.83x = 121,224.78 × 24,664.61
  4. Step 4: Simplify right side
    80,811.83x = 2,989,961,314.91
  5. Step 5: Solve for x
    x = 2,989,961,314.91/80,811.83
  6. Step 6: Final answer
    x = 36,999.06

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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.