Home / 86,553.43-119,443.30-48,310.79

Finding the Fourth Proportional to 86,553.43, 119,443.30 and 48,310.79

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Solution

The fourth proportional to 86,553.43, 119,443.30 and 48,310.79 is: 66,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,553.43 : 119,443.30 = 48,310.79 : x
  2. Step 2: Convert to fraction form
    86,553.43/119,443.30 = 48,310.79/x
  3. Step 3: Cross multiply
    86,553.43x = 119,443.30 × 48,310.79
  4. Step 4: Simplify right side
    86,553.43x = 5,770,399,465.21
  5. Step 5: Solve for x
    x = 5,770,399,465.21/86,553.43
  6. Step 6: Final answer
    x = 66,668.64

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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.