Home / 87,745.68-121,088.52-50,019.12

Finding the Fourth Proportional to 87,745.68, 121,088.52 and 50,019.12

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Solution

The fourth proportional to 87,745.68, 121,088.52 and 50,019.12 is: 69,026.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,745.68 : 121,088.52 = 50,019.12 : x
  2. Step 2: Convert to fraction form
    87,745.68/121,088.52 = 50,019.12/x
  3. Step 3: Cross multiply
    87,745.68x = 121,088.52 × 50,019.12
  4. Step 4: Simplify right side
    87,745.68x = 6,056,741,212.50
  5. Step 5: Solve for x
    x = 6,056,741,212.50/87,745.68
  6. Step 6: Final answer
    x = 69,026.09

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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.