Home / 49,794.85-74,690.25-12,355.03

Finding the Fourth Proportional to 49,794.85, 74,690.25 and 12,355.03

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Solution

The fourth proportional to 49,794.85, 74,690.25 and 12,355.03 is: 18,532.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,794.85 : 74,690.25 = 12,355.03 : x
  2. Step 2: Convert to fraction form
    49,794.85/74,690.25 = 12,355.03/x
  3. Step 3: Cross multiply
    49,794.85x = 74,690.25 × 12,355.03
  4. Step 4: Simplify right side
    49,794.85x = 922,800,279.46
  5. Step 5: Solve for x
    x = 922,800,279.46/49,794.85
  6. Step 6: Final answer
    x = 18,532.04

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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.