Home / 75,967.96-113,976.54-36,519.95

Finding the Fourth Proportional to 75,967.96, 113,976.54 and 36,519.95

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Solution

The fourth proportional to 75,967.96, 113,976.54 and 36,519.95 is: 54,791.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,967.96 : 113,976.54 = 36,519.95 : x
  2. Step 2: Convert to fraction form
    75,967.96/113,976.54 = 36,519.95/x
  3. Step 3: Cross multiply
    75,967.96x = 113,976.54 × 36,519.95
  4. Step 4: Simplify right side
    75,967.96x = 4,162,417,541.97
  5. Step 5: Solve for x
    x = 4,162,417,541.97/75,967.96
  6. Step 6: Final answer
    x = 54,791.75

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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.