Home / 76,934.88-115,402.32-41,942.88

Finding the Fourth Proportional to 76,934.88, 115,402.32 and 41,942.88

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Solution

The fourth proportional to 76,934.88, 115,402.32 and 41,942.88 is: 62,914.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,934.88 : 115,402.32 = 41,942.88 : x
  2. Step 2: Convert to fraction form
    76,934.88/115,402.32 = 41,942.88/x
  3. Step 3: Cross multiply
    76,934.88x = 115,402.32 × 41,942.88
  4. Step 4: Simplify right side
    76,934.88x = 4,840,305,659.48
  5. Step 5: Solve for x
    x = 4,840,305,659.48/76,934.88
  6. Step 6: Final answer
    x = 62,914.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.