Home / 83,581.22-115,340-46,786.92

Finding the Fourth Proportional to 83,581.22, 115,340 and 46,786.92

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Solution

The fourth proportional to 83,581.22, 115,340 and 46,786.92 is: 64,564.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,581.22 : 115,340 = 46,786.92 : x
  2. Step 2: Convert to fraction form
    83,581.22/115,340 = 46,786.92/x
  3. Step 3: Cross multiply
    83,581.22x = 115,340 × 46,786.92
  4. Step 4: Simplify right side
    83,581.22x = 5,396,403,352.80
  5. Step 5: Solve for x
    x = 5,396,403,352.80/83,581.22
  6. Step 6: Final answer
    x = 64,564.78

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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.