Home / 87,370.87-131,056.44-37,447.06

Finding the Fourth Proportional to 87,370.87, 131,056.44 and 37,447.06

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Solution

The fourth proportional to 87,370.87, 131,056.44 and 37,447.06 is: 56,170.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,370.87 : 131,056.44 = 37,447.06 : x
  2. Step 2: Convert to fraction form
    87,370.87/131,056.44 = 37,447.06/x
  3. Step 3: Cross multiply
    87,370.87x = 131,056.44 × 37,447.06
  4. Step 4: Simplify right side
    87,370.87x = 4,907,678,372.07
  5. Step 5: Solve for x
    x = 4,907,678,372.07/87,370.87
  6. Step 6: Final answer
    x = 56,170.65

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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.