Home / 77,934.43-116,918.97-36,358.75

Finding the Fourth Proportional to 77,934.43, 116,918.97 and 36,358.75

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Solution

The fourth proportional to 77,934.43, 116,918.97 and 36,358.75 is: 54,546.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,934.43 : 116,918.97 = 36,358.75 : x
  2. Step 2: Convert to fraction form
    77,934.43/116,918.97 = 36,358.75/x
  3. Step 3: Cross multiply
    77,934.43x = 116,918.97 × 36,358.75
  4. Step 4: Simplify right side
    77,934.43x = 4,251,027,600.49
  5. Step 5: Solve for x
    x = 4,251,027,600.49/77,934.43
  6. Step 6: Final answer
    x = 54,546.21

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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.