Home / 68,264.92-102,389.19-28,816.93

Finding the Fourth Proportional to 68,264.92, 102,389.19 and 28,816.93

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Solution

The fourth proportional to 68,264.92, 102,389.19 and 28,816.93 is: 43,221.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,264.92 : 102,389.19 = 28,816.93 : x
  2. Step 2: Convert to fraction form
    68,264.92/102,389.19 = 28,816.93/x
  3. Step 3: Cross multiply
    68,264.92x = 102,389.19 × 28,816.93
  4. Step 4: Simplify right side
    68,264.92x = 2,950,542,120.99
  5. Step 5: Solve for x
    x = 2,950,542,120.99/68,264.92
  6. Step 6: Final answer
    x = 43,221.94

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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.