Home / 71,091.92-98,107.34-38,825.73

Finding the Fourth Proportional to 71,091.92, 98,107.34 and 38,825.73

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Solution

The fourth proportional to 71,091.92, 98,107.34 and 38,825.73 is: 53,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,091.92 : 98,107.34 = 38,825.73 : x
  2. Step 2: Convert to fraction form
    71,091.92/98,107.34 = 38,825.73/x
  3. Step 3: Cross multiply
    71,091.92x = 98,107.34 × 38,825.73
  4. Step 4: Simplify right side
    71,091.92x = 3,809,088,409.19
  5. Step 5: Solve for x
    x = 3,809,088,409.19/71,091.92
  6. Step 6: Final answer
    x = 53,579.77

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Double scale
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1.5x scale

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.