Home / 47,603.92-71,399.68-12,546.32

Finding the Fourth Proportional to 47,603.92, 71,399.68 and 12,546.32

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Solution

The fourth proportional to 47,603.92, 71,399.68 and 12,546.32 is: 18,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,603.92 : 71,399.68 = 12,546.32 : x
  2. Step 2: Convert to fraction form
    47,603.92/71,399.68 = 12,546.32/x
  3. Step 3: Cross multiply
    47,603.92x = 71,399.68 × 12,546.32
  4. Step 4: Simplify right side
    47,603.92x = 895,803,233.18
  5. Step 5: Solve for x
    x = 895,803,233.18/47,603.92
  6. Step 6: Final answer
    x = 18,817.85

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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.