Home / 82,961.24-124,481.91-40,818.47

Finding the Fourth Proportional to 82,961.24, 124,481.91 and 40,818.47

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Solution

The fourth proportional to 82,961.24, 124,481.91 and 40,818.47 is: 61,247.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,961.24 : 124,481.91 = 40,818.47 : x
  2. Step 2: Convert to fraction form
    82,961.24/124,481.91 = 40,818.47/x
  3. Step 3: Cross multiply
    82,961.24x = 124,481.91 × 40,818.47
  4. Step 4: Simplify right side
    82,961.24x = 5,081,161,108.88
  5. Step 5: Solve for x
    x = 5,081,161,108.88/82,961.24
  6. Step 6: Final answer
    x = 61,247.41

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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.