Home / 73,800.55-110,688.94-21,198.07

Finding the Fourth Proportional to 73,800.55, 110,688.94 and 21,198.07

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Solution

The fourth proportional to 73,800.55, 110,688.94 and 21,198.07 is: 31,793.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,800.55 : 110,688.94 = 21,198.07 : x
  2. Step 2: Convert to fraction form
    73,800.55/110,688.94 = 21,198.07/x
  3. Step 3: Cross multiply
    73,800.55x = 110,688.94 × 21,198.07
  4. Step 4: Simplify right side
    73,800.55x = 2,346,391,898.35
  5. Step 5: Solve for x
    x = 2,346,391,898.35/73,800.55
  6. Step 6: Final answer
    x = 31,793.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.