Home / 90,575.43-124,997.32-50,289.83

Finding the Fourth Proportional to 90,575.43, 124,997.32 and 50,289.83

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Solution

The fourth proportional to 90,575.43, 124,997.32 and 50,289.83 is: 69,401.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,575.43 : 124,997.32 = 50,289.83 : x
  2. Step 2: Convert to fraction form
    90,575.43/124,997.32 = 50,289.83/x
  3. Step 3: Cross multiply
    90,575.43x = 124,997.32 × 50,289.83
  4. Step 4: Simplify right side
    90,575.43x = 6,286,093,973.26
  5. Step 5: Solve for x
    x = 6,286,093,973.26/90,575.43
  6. Step 6: Final answer
    x = 69,401.76

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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.