Home / 77,468.68-106,896.49-43,475.86

Finding the Fourth Proportional to 77,468.68, 106,896.49 and 43,475.86

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Solution

The fourth proportional to 77,468.68, 106,896.49 and 43,475.86 is: 59,990.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,468.68 : 106,896.49 = 43,475.86 : x
  2. Step 2: Convert to fraction form
    77,468.68/106,896.49 = 43,475.86/x
  3. Step 3: Cross multiply
    77,468.68x = 106,896.49 × 43,475.86
  4. Step 4: Simplify right side
    77,468.68x = 4,647,416,833.73
  5. Step 5: Solve for x
    x = 4,647,416,833.73/77,468.68
  6. Step 6: Final answer
    x = 59,990.91

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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.