Home / 76,738.11-115,068.57-44,727.47

Finding the Fourth Proportional to 76,738.11, 115,068.57 and 44,727.47

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Solution

The fourth proportional to 76,738.11, 115,068.57 and 44,727.47 is: 67,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,738.11 : 115,068.57 = 44,727.47 : x
  2. Step 2: Convert to fraction form
    76,738.11/115,068.57 = 44,727.47/x
  3. Step 3: Cross multiply
    76,738.11x = 115,068.57 × 44,727.47
  4. Step 4: Simplify right side
    76,738.11x = 5,146,726,012.62
  5. Step 5: Solve for x
    x = 5,146,726,012.62/76,738.11
  6. Step 6: Final answer
    x = 67,068.71

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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.