Home / 69,318.39-95,615.34-45,446.61

Finding the Fourth Proportional to 69,318.39, 95,615.34 and 45,446.61

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Solution

The fourth proportional to 69,318.39, 95,615.34 and 45,446.61 is: 62,687.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,318.39 : 95,615.34 = 45,446.61 : x
  2. Step 2: Convert to fraction form
    69,318.39/95,615.34 = 45,446.61/x
  3. Step 3: Cross multiply
    69,318.39x = 95,615.34 × 45,446.61
  4. Step 4: Simplify right side
    69,318.39x = 4,345,393,067.00
  5. Step 5: Solve for x
    x = 4,345,393,067.00/69,318.39
  6. Step 6: Final answer
    x = 62,687.45

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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.