Home / 90,981.93-125,553.39-50,694.83

Finding the Fourth Proportional to 90,981.93, 125,553.39 and 50,694.83

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Solution

The fourth proportional to 90,981.93, 125,553.39 and 50,694.83 is: 69,957.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,981.93 : 125,553.39 = 50,694.83 : x
  2. Step 2: Convert to fraction form
    90,981.93/125,553.39 = 50,694.83/x
  3. Step 3: Cross multiply
    90,981.93x = 125,553.39 × 50,694.83
  4. Step 4: Simplify right side
    90,981.93x = 6,364,907,134.21
  5. Step 5: Solve for x
    x = 6,364,907,134.21/90,981.93
  6. Step 6: Final answer
    x = 69,957.93

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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.