Home / 97,620.73-134,723.46-55,179.61

Finding the Fourth Proportional to 97,620.73, 134,723.46 and 55,179.61

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Solution

The fourth proportional to 97,620.73, 134,723.46 and 55,179.61 is: 76,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,620.73 : 134,723.46 = 55,179.61 : x
  2. Step 2: Convert to fraction form
    97,620.73/134,723.46 = 55,179.61/x
  3. Step 3: Cross multiply
    97,620.73x = 134,723.46 × 55,179.61
  4. Step 4: Simplify right side
    97,620.73x = 7,433,987,980.65
  5. Step 5: Solve for x
    x = 7,433,987,980.65/97,620.73
  6. Step 6: Final answer
    x = 76,151.74

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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.