Home / 94,105.20-129,857.46-51,662.28

Finding the Fourth Proportional to 94,105.20, 129,857.46 and 51,662.28

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Solution

The fourth proportional to 94,105.20, 129,857.46 and 51,662.28 is: 71,289.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,105.20 : 129,857.46 = 51,662.28 : x
  2. Step 2: Convert to fraction form
    94,105.20/129,857.46 = 51,662.28/x
  3. Step 3: Cross multiply
    94,105.20x = 129,857.46 × 51,662.28
  4. Step 4: Simplify right side
    94,105.20x = 6,708,732,458.61
  5. Step 5: Solve for x
    x = 6,708,732,458.61/94,105.20
  6. Step 6: Final answer
    x = 71,289.71

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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.