Home / 68,448.73-102,588.33-38,776.62

Finding the Fourth Proportional to 68,448.73, 102,588.33 and 38,776.62

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Solution

The fourth proportional to 68,448.73, 102,588.33 and 38,776.62 is: 58,116.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,448.73 : 102,588.33 = 38,776.62 : x
  2. Step 2: Convert to fraction form
    68,448.73/102,588.33 = 38,776.62/x
  3. Step 3: Cross multiply
    68,448.73x = 102,588.33 × 38,776.62
  4. Step 4: Simplify right side
    68,448.73x = 3,978,028,688.84
  5. Step 5: Solve for x
    x = 3,978,028,688.84/68,448.73
  6. Step 6: Final answer
    x = 58,116.91

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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.