Home / 87,715.14-131,586.51-37,809.42

Finding the Fourth Proportional to 87,715.14, 131,586.51 and 37,809.42

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Solution

The fourth proportional to 87,715.14, 131,586.51 and 37,809.42 is: 56,720.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,715.14 : 131,586.51 = 37,809.42 : x
  2. Step 2: Convert to fraction form
    87,715.14/131,586.51 = 37,809.42/x
  3. Step 3: Cross multiply
    87,715.14x = 131,586.51 × 37,809.42
  4. Step 4: Simplify right side
    87,715.14x = 4,975,209,622.92
  5. Step 5: Solve for x
    x = 4,975,209,622.92/87,715.14
  6. Step 6: Final answer
    x = 56,720.08

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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.