Home / 49,797.18-74,687.13-12,861.18

Finding the Fourth Proportional to 49,797.18, 74,687.13 and 12,861.18

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Solution

The fourth proportional to 49,797.18, 74,687.13 and 12,861.18 is: 19,289.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,797.18 : 74,687.13 = 12,861.18 : x
  2. Step 2: Convert to fraction form
    49,797.18/74,687.13 = 12,861.18/x
  3. Step 3: Cross multiply
    49,797.18x = 74,687.13 × 12,861.18
  4. Step 4: Simplify right side
    49,797.18x = 960,564,622.61
  5. Step 5: Solve for x
    x = 960,564,622.61/49,797.18
  6. Step 6: Final answer
    x = 19,289.54

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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.