Home / 87,532.45-120,797.16-53,540.29

Finding the Fourth Proportional to 87,532.45, 120,797.16 and 53,540.29

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Solution

The fourth proportional to 87,532.45, 120,797.16 and 53,540.29 is: 73,887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,532.45 : 120,797.16 = 53,540.29 : x
  2. Step 2: Convert to fraction form
    87,532.45/120,797.16 = 53,540.29/x
  3. Step 3: Cross multiply
    87,532.45x = 120,797.16 × 53,540.29
  4. Step 4: Simplify right side
    87,532.45x = 6,467,514,927.80
  5. Step 5: Solve for x
    x = 6,467,514,927.80/87,532.45
  6. Step 6: Final answer
    x = 73,887.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.