Home / 49,822.70-74,735.44-12,381.26

Finding the Fourth Proportional to 49,822.70, 74,735.44 and 12,381.26

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Solution

The fourth proportional to 49,822.70, 74,735.44 and 12,381.26 is: 18,572.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,822.70 : 74,735.44 = 12,381.26 : x
  2. Step 2: Convert to fraction form
    49,822.70/74,735.44 = 12,381.26/x
  3. Step 3: Cross multiply
    49,822.70x = 74,735.44 × 12,381.26
  4. Step 4: Simplify right side
    49,822.70x = 925,318,913.85
  5. Step 5: Solve for x
    x = 925,318,913.85/49,822.70
  6. Step 6: Final answer
    x = 18,572.24

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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.