Home / 87,573.13-120,851.05-49,847.38

Finding the Fourth Proportional to 87,573.13, 120,851.05 and 49,847.38

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Solution

The fourth proportional to 87,573.13, 120,851.05 and 49,847.38 is: 68,789.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,573.13 : 120,851.05 = 49,847.38 : x
  2. Step 2: Convert to fraction form
    87,573.13/120,851.05 = 49,847.38/x
  3. Step 3: Cross multiply
    87,573.13x = 120,851.05 × 49,847.38
  4. Step 4: Simplify right side
    87,573.13x = 6,024,108,212.75
  5. Step 5: Solve for x
    x = 6,024,108,212.75/87,573.13
  6. Step 6: Final answer
    x = 68,789.46

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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.