Home / 75,192.49-103,765.57-41,203.09

Finding the Fourth Proportional to 75,192.49, 103,765.57 and 41,203.09

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Solution

The fourth proportional to 75,192.49, 103,765.57 and 41,203.09 is: 56,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,192.49 : 103,765.57 = 41,203.09 : x
  2. Step 2: Convert to fraction form
    75,192.49/103,765.57 = 41,203.09/x
  3. Step 3: Cross multiply
    75,192.49x = 103,765.57 × 41,203.09
  4. Step 4: Simplify right side
    75,192.49x = 4,275,461,600.78
  5. Step 5: Solve for x
    x = 4,275,461,600.78/75,192.49
  6. Step 6: Final answer
    x = 56,860.22

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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.