Home / 47,936.93-71,905.37-12,876.57

Finding the Fourth Proportional to 47,936.93, 71,905.37 and 12,876.57

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Solution

The fourth proportional to 47,936.93, 71,905.37 and 12,876.57 is: 19,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,936.93 : 71,905.37 = 12,876.57 : x
  2. Step 2: Convert to fraction form
    47,936.93/71,905.37 = 12,876.57/x
  3. Step 3: Cross multiply
    47,936.93x = 71,905.37 × 12,876.57
  4. Step 4: Simplify right side
    47,936.93x = 925,894,465.80
  5. Step 5: Solve for x
    x = 925,894,465.80/47,936.93
  6. Step 6: Final answer
    x = 19,314.85

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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.