Home / 86,828.92-119,820.62-49,103.98

Finding the Fourth Proportional to 86,828.92, 119,820.62 and 49,103.98

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Solution

The fourth proportional to 86,828.92, 119,820.62 and 49,103.98 is: 67,761.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,828.92 : 119,820.62 = 49,103.98 : x
  2. Step 2: Convert to fraction form
    86,828.92/119,820.62 = 49,103.98/x
  3. Step 3: Cross multiply
    86,828.92x = 119,820.62 × 49,103.98
  4. Step 4: Simplify right side
    86,828.92x = 5,883,669,151.28
  5. Step 5: Solve for x
    x = 5,883,669,151.28/86,828.92
  6. Step 6: Final answer
    x = 67,761.63

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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.