Home / 73,003.20-100,736.89-53,893.14

Finding the Fourth Proportional to 73,003.20, 100,736.89 and 53,893.14

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Solution

The fourth proportional to 73,003.20, 100,736.89 and 53,893.14 is: 74,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,003.20 : 100,736.89 = 53,893.14 : x
  2. Step 2: Convert to fraction form
    73,003.20/100,736.89 = 53,893.14/x
  3. Step 3: Cross multiply
    73,003.20x = 100,736.89 × 53,893.14
  4. Step 4: Simplify right side
    73,003.20x = 5,429,027,315.93
  5. Step 5: Solve for x
    x = 5,429,027,315.93/73,003.20
  6. Step 6: Final answer
    x = 74,366.98

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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.