Home / 90,575.39-124,997.22-50,289.77

Finding the Fourth Proportional to 90,575.39, 124,997.22 and 50,289.77

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Solution

The fourth proportional to 90,575.39, 124,997.22 and 50,289.77 is: 69,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,575.39 : 124,997.22 = 50,289.77 : x
  2. Step 2: Convert to fraction form
    90,575.39/124,997.22 = 50,289.77/x
  3. Step 3: Cross multiply
    90,575.39x = 124,997.22 × 50,289.77
  4. Step 4: Simplify right side
    90,575.39x = 6,286,080,819.45
  5. Step 5: Solve for x
    x = 6,286,080,819.45/90,575.39
  6. Step 6: Final answer
    x = 69,401.65

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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.