Home / 87,405.04-131,238.42-50,007.28

Finding the Fourth Proportional to 87,405.04, 131,238.42 and 50,007.28

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Solution

The fourth proportional to 87,405.04, 131,238.42 and 50,007.28 is: 75,085.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,405.04 : 131,238.42 = 50,007.28 : x
  2. Step 2: Convert to fraction form
    87,405.04/131,238.42 = 50,007.28/x
  3. Step 3: Cross multiply
    87,405.04x = 131,238.42 × 50,007.28
  4. Step 4: Simplify right side
    87,405.04x = 6,562,876,415.70
  5. Step 5: Solve for x
    x = 6,562,876,415.70/87,405.04
  6. Step 6: Final answer
    x = 75,085.79

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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.