Home / 87,261.26-130,633.32-53,873.96

Finding the Fourth Proportional to 87,261.26, 130,633.32 and 53,873.96

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Solution

The fourth proportional to 87,261.26, 130,633.32 and 53,873.96 is: 80,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,261.26 : 130,633.32 = 53,873.96 : x
  2. Step 2: Convert to fraction form
    87,261.26/130,633.32 = 53,873.96/x
  3. Step 3: Cross multiply
    87,261.26x = 130,633.32 × 53,873.96
  4. Step 4: Simplify right side
    87,261.26x = 7,037,734,256.35
  5. Step 5: Solve for x
    x = 7,037,734,256.35/87,261.26
  6. Step 6: Final answer
    x = 80,651.30

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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.