Home / 87,160.85-120,284.36-48,922.77

Finding the Fourth Proportional to 87,160.85, 120,284.36 and 48,922.77

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Solution

The fourth proportional to 87,160.85, 120,284.36 and 48,922.77 is: 67,514.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,160.85 : 120,284.36 = 48,922.77 : x
  2. Step 2: Convert to fraction form
    87,160.85/120,284.36 = 48,922.77/x
  3. Step 3: Cross multiply
    87,160.85x = 120,284.36 × 48,922.77
  4. Step 4: Simplify right side
    87,160.85x = 5,884,644,078.88
  5. Step 5: Solve for x
    x = 5,884,644,078.88/87,160.85
  6. Step 6: Final answer
    x = 67,514.76

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1.5x scale

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.