Home / 86,249.70-119,021.49-48,007.98

Finding the Fourth Proportional to 86,249.70, 119,021.49 and 48,007.98

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Solution

The fourth proportional to 86,249.70, 119,021.49 and 48,007.98 is: 66,249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,249.70 : 119,021.49 = 48,007.98 : x
  2. Step 2: Convert to fraction form
    86,249.70/119,021.49 = 48,007.98/x
  3. Step 3: Cross multiply
    86,249.70x = 119,021.49 × 48,007.98
  4. Step 4: Simplify right side
    86,249.70x = 5,713,981,311.49
  5. Step 5: Solve for x
    x = 5,713,981,311.49/86,249.70
  6. Step 6: Final answer
    x = 66,249.29

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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.