Home / 68,942.55-95,138.16-38,317.55

Finding the Fourth Proportional to 68,942.55, 95,138.16 and 38,317.55

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Solution

The fourth proportional to 68,942.55, 95,138.16 and 38,317.55 is: 52,876.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,942.55 : 95,138.16 = 38,317.55 : x
  2. Step 2: Convert to fraction form
    68,942.55/95,138.16 = 38,317.55/x
  3. Step 3: Cross multiply
    68,942.55x = 95,138.16 × 38,317.55
  4. Step 4: Simplify right side
    68,942.55x = 3,645,460,727.02
  5. Step 5: Solve for x
    x = 3,645,460,727.02/68,942.55
  6. Step 6: Final answer
    x = 52,876.79

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1.5x scale

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.