Home / 75,455.01-104,121.72-43,625.79

Finding the Fourth Proportional to 75,455.01, 104,121.72 and 43,625.79

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Solution

The fourth proportional to 75,455.01, 104,121.72 and 43,625.79 is: 60,200.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,455.01 : 104,121.72 = 43,625.79 : x
  2. Step 2: Convert to fraction form
    75,455.01/104,121.72 = 43,625.79/x
  3. Step 3: Cross multiply
    75,455.01x = 104,121.72 × 43,625.79
  4. Step 4: Simplify right side
    75,455.01x = 4,542,392,291.16
  5. Step 5: Solve for x
    x = 4,542,392,291.16/75,455.01
  6. Step 6: Final answer
    x = 60,200.01

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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.