Home / 68,976.96-95,188.10-40,316.32

Finding the Fourth Proportional to 68,976.96, 95,188.10 and 40,316.32

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Solution

The fourth proportional to 68,976.96, 95,188.10 and 40,316.32 is: 55,636.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,976.96 : 95,188.10 = 40,316.32 : x
  2. Step 2: Convert to fraction form
    68,976.96/95,188.10 = 40,316.32/x
  3. Step 3: Cross multiply
    68,976.96x = 95,188.10 × 40,316.32
  4. Step 4: Simplify right side
    68,976.96x = 3,837,633,899.79
  5. Step 5: Solve for x
    x = 3,837,633,899.79/68,976.96
  6. Step 6: Final answer
    x = 55,636.46

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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.