Home / 104,211.92-143,815.12-63,947.93

Finding the Fourth Proportional to 104,211.92, 143,815.12 and 63,947.93

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Solution

The fourth proportional to 104,211.92, 143,815.12 and 63,947.93 is: 88,249.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,211.92 : 143,815.12 = 63,947.93 : x
  2. Step 2: Convert to fraction form
    104,211.92/143,815.12 = 63,947.93/x
  3. Step 3: Cross multiply
    104,211.92x = 143,815.12 × 63,947.93
  4. Step 4: Simplify right side
    104,211.92x = 9,196,679,336.57
  5. Step 5: Solve for x
    x = 9,196,679,336.57/104,211.92
  6. Step 6: Final answer
    x = 88,249.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.