Home / 90,766.02-125,249.85-50,479.86

Finding the Fourth Proportional to 90,766.02, 125,249.85 and 50,479.86

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Solution

The fourth proportional to 90,766.02, 125,249.85 and 50,479.86 is: 69,658.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,766.02 : 125,249.85 = 50,479.86 : x
  2. Step 2: Convert to fraction form
    90,766.02/125,249.85 = 50,479.86/x
  3. Step 3: Cross multiply
    90,766.02x = 125,249.85 × 50,479.86
  4. Step 4: Simplify right side
    90,766.02x = 6,322,594,893.02
  5. Step 5: Solve for x
    x = 6,322,594,893.02/90,766.02
  6. Step 6: Final answer
    x = 69,658.17

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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.