Home / 43,787.50-65,687.39-14,195.77

Finding the Fourth Proportional to 43,787.50, 65,687.39 and 14,195.77

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Solution

The fourth proportional to 43,787.50, 65,687.39 and 14,195.77 is: 21,295.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,787.50 : 65,687.39 = 14,195.77 : x
  2. Step 2: Convert to fraction form
    43,787.50/65,687.39 = 14,195.77/x
  3. Step 3: Cross multiply
    43,787.50x = 65,687.39 × 14,195.77
  4. Step 4: Simplify right side
    43,787.50x = 932,482,680.92
  5. Step 5: Solve for x
    x = 932,482,680.92/43,787.50
  6. Step 6: Final answer
    x = 21,295.64

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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.