Home / 75,829.63-104,645.97-41,839.60

Finding the Fourth Proportional to 75,829.63, 104,645.97 and 41,839.60

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Solution

The fourth proportional to 75,829.63, 104,645.97 and 41,839.60 is: 57,739.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,829.63 : 104,645.97 = 41,839.60 : x
  2. Step 2: Convert to fraction form
    75,829.63/104,645.97 = 41,839.60/x
  3. Step 3: Cross multiply
    75,829.63x = 104,645.97 × 41,839.60
  4. Step 4: Simplify right side
    75,829.63x = 4,378,345,526.41
  5. Step 5: Solve for x
    x = 4,378,345,526.41/75,829.63
  6. Step 6: Final answer
    x = 57,739.24

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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.