Home / 77,318.28-115,981.98-24,723.66

Finding the Fourth Proportional to 77,318.28, 115,981.98 and 24,723.66

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Solution

The fourth proportional to 77,318.28, 115,981.98 and 24,723.66 is: 37,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,318.28 : 115,981.98 = 24,723.66 : x
  2. Step 2: Convert to fraction form
    77,318.28/115,981.98 = 24,723.66/x
  3. Step 3: Cross multiply
    77,318.28x = 115,981.98 × 24,723.66
  4. Step 4: Simplify right side
    77,318.28x = 2,867,499,039.65
  5. Step 5: Solve for x
    x = 2,867,499,039.65/77,318.28
  6. Step 6: Final answer
    x = 37,086.95

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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.