Home / 68,583.13-102,879.25-26,463.74

Finding the Fourth Proportional to 68,583.13, 102,879.25 and 26,463.74

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Solution

The fourth proportional to 68,583.13, 102,879.25 and 26,463.74 is: 39,697.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,583.13 : 102,879.25 = 26,463.74 : x
  2. Step 2: Convert to fraction form
    68,583.13/102,879.25 = 26,463.74/x
  3. Step 3: Cross multiply
    68,583.13x = 102,879.25 × 26,463.74
  4. Step 4: Simplify right side
    68,583.13x = 2,722,569,142.84
  5. Step 5: Solve for x
    x = 2,722,569,142.84/68,583.13
  6. Step 6: Final answer
    x = 39,697.36

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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.