Home / 68,990.67-95,206.91-40,308.17

Finding the Fourth Proportional to 68,990.67, 95,206.91 and 40,308.17

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Solution

The fourth proportional to 68,990.67, 95,206.91 and 40,308.17 is: 55,625.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,990.67 : 95,206.91 = 40,308.17 : x
  2. Step 2: Convert to fraction form
    68,990.67/95,206.91 = 40,308.17/x
  3. Step 3: Cross multiply
    68,990.67x = 95,206.91 × 40,308.17
  4. Step 4: Simplify right side
    68,990.67x = 3,837,615,635.88
  5. Step 5: Solve for x
    x = 3,837,615,635.88/68,990.67
  6. Step 6: Final answer
    x = 55,625.14

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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.