Home / 75,736.32-113,604.48-47,976

Finding the Fourth Proportional to 75,736.32, 113,604.48 and 47,976

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Solution

The fourth proportional to 75,736.32, 113,604.48 and 47,976 is: 71,964.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,736.32 : 113,604.48 = 47,976 : x
  2. Step 2: Convert to fraction form
    75,736.32/113,604.48 = 47,976/x
  3. Step 3: Cross multiply
    75,736.32x = 113,604.48 × 47,976
  4. Step 4: Simplify right side
    75,736.32x = 5,450,288,532.48
  5. Step 5: Solve for x
    x = 5,450,288,532.48/75,736.32
  6. Step 6: Final answer
    x = 71,964.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.