Home / 81,891.96-113,002.78-46,081.16

Finding the Fourth Proportional to 81,891.96, 113,002.78 and 46,081.16

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Solution

The fourth proportional to 81,891.96, 113,002.78 and 46,081.16 is: 63,587.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,891.96 : 113,002.78 = 46,081.16 : x
  2. Step 2: Convert to fraction form
    81,891.96/113,002.78 = 46,081.16/x
  3. Step 3: Cross multiply
    81,891.96x = 113,002.78 × 46,081.16
  4. Step 4: Simplify right side
    81,891.96x = 5,207,299,185.62
  5. Step 5: Solve for x
    x = 5,207,299,185.62/81,891.96
  6. Step 6: Final answer
    x = 63,587.43

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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.