Home / 81,736.62-122,434.80-52,007.22

Finding the Fourth Proportional to 81,736.62, 122,434.80 and 52,007.22

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Solution

The fourth proportional to 81,736.62, 122,434.80 and 52,007.22 is: 77,902.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,736.62 : 122,434.80 = 52,007.22 : x
  2. Step 2: Convert to fraction form
    81,736.62/122,434.80 = 52,007.22/x
  3. Step 3: Cross multiply
    81,736.62x = 122,434.80 × 52,007.22
  4. Step 4: Simplify right side
    81,736.62x = 6,367,493,579.26
  5. Step 5: Solve for x
    x = 6,367,493,579.26/81,736.62
  6. Step 6: Final answer
    x = 77,902.58

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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.