Home / 77,072.46-106,358.64-43,081.62

Finding the Fourth Proportional to 77,072.46, 106,358.64 and 43,081.62

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Solution

The fourth proportional to 77,072.46, 106,358.64 and 43,081.62 is: 59,451.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,072.46 : 106,358.64 = 43,081.62 : x
  2. Step 2: Convert to fraction form
    77,072.46/106,358.64 = 43,081.62/x
  3. Step 3: Cross multiply
    77,072.46x = 106,358.64 × 43,081.62
  4. Step 4: Simplify right side
    77,072.46x = 4,582,102,512.20
  5. Step 5: Solve for x
    x = 4,582,102,512.20/77,072.46
  6. Step 6: Final answer
    x = 59,451.88

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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.