Home / 79,787.20-119,623.20-44,737.60

Finding the Fourth Proportional to 79,787.20, 119,623.20 and 44,737.60

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Solution

The fourth proportional to 79,787.20, 119,623.20 and 44,737.60 is: 67,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,787.20 : 119,623.20 = 44,737.60 : x
  2. Step 2: Convert to fraction form
    79,787.20/119,623.20 = 44,737.60/x
  3. Step 3: Cross multiply
    79,787.20x = 119,623.20 × 44,737.60
  4. Step 4: Simplify right side
    79,787.20x = 5,351,654,872.32
  5. Step 5: Solve for x
    x = 5,351,654,872.32/79,787.20
  6. Step 6: Final answer
    x = 67,074.10

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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.