Home / 87,820.92-121,181.58-50,092.92

Finding the Fourth Proportional to 87,820.92, 121,181.58 and 50,092.92

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Solution

The fourth proportional to 87,820.92, 121,181.58 and 50,092.92 is: 69,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,820.92 : 121,181.58 = 50,092.92 : x
  2. Step 2: Convert to fraction form
    87,820.92/121,181.58 = 50,092.92/x
  3. Step 3: Cross multiply
    87,820.92x = 121,181.58 × 50,092.92
  4. Step 4: Simplify right side
    87,820.92x = 6,070,339,192.41
  5. Step 5: Solve for x
    x = 6,070,339,192.41/87,820.92
  6. Step 6: Final answer
    x = 69,121.79

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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.