Home / 87,447.10-131,182.86-43,074.22

Finding the Fourth Proportional to 87,447.10, 131,182.86 and 43,074.22

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Solution

The fourth proportional to 87,447.10, 131,182.86 and 43,074.22 is: 64,617.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,447.10 : 131,182.86 = 43,074.22 : x
  2. Step 2: Convert to fraction form
    87,447.10/131,182.86 = 43,074.22/x
  3. Step 3: Cross multiply
    87,447.10x = 131,182.86 × 43,074.22
  4. Step 4: Simplify right side
    87,447.10x = 5,650,599,371.87
  5. Step 5: Solve for x
    x = 5,650,599,371.87/87,447.10
  6. Step 6: Final answer
    x = 64,617.34

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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.