Home / 75,972.90-104,839.92-41,980.80

Finding the Fourth Proportional to 75,972.90, 104,839.92 and 41,980.80

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Solution

The fourth proportional to 75,972.90, 104,839.92 and 41,980.80 is: 57,932.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,972.90 : 104,839.92 = 41,980.80 : x
  2. Step 2: Convert to fraction form
    75,972.90/104,839.92 = 41,980.80/x
  3. Step 3: Cross multiply
    75,972.90x = 104,839.92 × 41,980.80
  4. Step 4: Simplify right side
    75,972.90x = 4,401,263,713.54
  5. Step 5: Solve for x
    x = 4,401,263,713.54/75,972.90
  6. Step 6: Final answer
    x = 57,932.02

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1.5x scale

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.