Home / 87,409.42-131,096.82-40,011.70

Finding the Fourth Proportional to 87,409.42, 131,096.82 and 40,011.70

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Solution

The fourth proportional to 87,409.42, 131,096.82 and 40,011.70 is: 60,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,409.42 : 131,096.82 = 40,011.70 : x
  2. Step 2: Convert to fraction form
    87,409.42/131,096.82 = 40,011.70/x
  3. Step 3: Cross multiply
    87,409.42x = 131,096.82 × 40,011.70
  4. Step 4: Simplify right side
    87,409.42x = 5,245,406,632.79
  5. Step 5: Solve for x
    x = 5,245,406,632.79/87,409.42
  6. Step 6: Final answer
    x = 60,009.63

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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.