Home / 87,556.16-120,797.52-49,820.96

Finding the Fourth Proportional to 87,556.16, 120,797.52 and 49,820.96

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Solution

The fourth proportional to 87,556.16, 120,797.52 and 49,820.96 is: 68,735.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,556.16 : 120,797.52 = 49,820.96 : x
  2. Step 2: Convert to fraction form
    87,556.16/120,797.52 = 49,820.96/x
  3. Step 3: Cross multiply
    87,556.16x = 120,797.52 × 49,820.96
  4. Step 4: Simplify right side
    87,556.16x = 6,018,248,412.02
  5. Step 5: Solve for x
    x = 6,018,248,412.02/87,556.16
  6. Step 6: Final answer
    x = 68,735.87

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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.