Home / 76,722.10-114,940.59-41,691.22

Finding the Fourth Proportional to 76,722.10, 114,940.59 and 41,691.22

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Solution

The fourth proportional to 76,722.10, 114,940.59 and 41,691.22 is: 62,459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,722.10 : 114,940.59 = 41,691.22 : x
  2. Step 2: Convert to fraction form
    76,722.10/114,940.59 = 41,691.22/x
  3. Step 3: Cross multiply
    76,722.10x = 114,940.59 × 41,691.22
  4. Step 4: Simplify right side
    76,722.10x = 4,792,013,424.62
  5. Step 5: Solve for x
    x = 4,792,013,424.62/76,722.10
  6. Step 6: Final answer
    x = 62,459.36

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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.