Home / 84,517.92-116,634.33-45,755.64

Finding the Fourth Proportional to 84,517.92, 116,634.33 and 45,755.64

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Solution

The fourth proportional to 84,517.92, 116,634.33 and 45,755.64 is: 63,142.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,517.92 : 116,634.33 = 45,755.64 : x
  2. Step 2: Convert to fraction form
    84,517.92/116,634.33 = 45,755.64/x
  3. Step 3: Cross multiply
    84,517.92x = 116,634.33 × 45,755.64
  4. Step 4: Simplify right side
    84,517.92x = 5,336,678,415.12
  5. Step 5: Solve for x
    x = 5,336,678,415.12/84,517.92
  6. Step 6: Final answer
    x = 63,142.57

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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.