Home / 91,976.96-137,850.08-39,324.64

Finding the Fourth Proportional to 91,976.96, 137,850.08 and 39,324.64

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Solution

The fourth proportional to 91,976.96, 137,850.08 and 39,324.64 is: 58,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,976.96 : 137,850.08 = 39,324.64 : x
  2. Step 2: Convert to fraction form
    91,976.96/137,850.08 = 39,324.64/x
  3. Step 3: Cross multiply
    91,976.96x = 137,850.08 × 39,324.64
  4. Step 4: Simplify right side
    91,976.96x = 5,420,904,769.97
  5. Step 5: Solve for x
    x = 5,420,904,769.97/91,976.96
  6. Step 6: Final answer
    x = 58,937.64

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1.5x scale

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.