Home / 87,756.27-121,093.22-49,513.62

Finding the Fourth Proportional to 87,756.27, 121,093.22 and 49,513.62

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Solution

The fourth proportional to 87,756.27, 121,093.22 and 49,513.62 is: 68,322.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,756.27 : 121,093.22 = 49,513.62 : x
  2. Step 2: Convert to fraction form
    87,756.27/121,093.22 = 49,513.62/x
  3. Step 3: Cross multiply
    87,756.27x = 121,093.22 × 49,513.62
  4. Step 4: Simplify right side
    87,756.27x = 5,995,763,679.66
  5. Step 5: Solve for x
    x = 5,995,763,679.66/87,756.27
  6. Step 6: Final answer
    x = 68,322.91

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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.