Home / 68,975.40-95,178.96-38,755.92

Finding the Fourth Proportional to 68,975.40, 95,178.96 and 38,755.92

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Solution

The fourth proportional to 68,975.40, 95,178.96 and 38,755.92 is: 53,479.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,975.40 : 95,178.96 = 38,755.92 : x
  2. Step 2: Convert to fraction form
    68,975.40/95,178.96 = 38,755.92/x
  3. Step 3: Cross multiply
    68,975.40x = 95,178.96 × 38,755.92
  4. Step 4: Simplify right side
    68,975.40x = 3,688,748,159.44
  5. Step 5: Solve for x
    x = 3,688,748,159.44/68,975.40
  6. Step 6: Final answer
    x = 53,479.18

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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.