Home / 87,596.37-131,405.09-40,838.31

Finding the Fourth Proportional to 87,596.37, 131,405.09 and 40,838.31

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Solution

The fourth proportional to 87,596.37, 131,405.09 and 40,838.31 is: 61,262.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,596.37 : 131,405.09 = 40,838.31 : x
  2. Step 2: Convert to fraction form
    87,596.37/131,405.09 = 40,838.31/x
  3. Step 3: Cross multiply
    87,596.37x = 131,405.09 × 40,838.31
  4. Step 4: Simplify right side
    87,596.37x = 5,366,361,596.81
  5. Step 5: Solve for x
    x = 5,366,361,596.81/87,596.37
  6. Step 6: Final answer
    x = 61,262.37

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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.