Home / 75,655.30-104,404.62-43,391.16

Finding the Fourth Proportional to 75,655.30, 104,404.62 and 43,391.16

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Solution

The fourth proportional to 75,655.30, 104,404.62 and 43,391.16 is: 59,879.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,655.30 : 104,404.62 = 43,391.16 : x
  2. Step 2: Convert to fraction form
    75,655.30/104,404.62 = 43,391.16/x
  3. Step 3: Cross multiply
    75,655.30x = 104,404.62 × 43,391.16
  4. Step 4: Simplify right side
    75,655.30x = 4,530,237,571.16
  5. Step 5: Solve for x
    x = 4,530,237,571.16/75,655.30
  6. Step 6: Final answer
    x = 59,879.98

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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.