Home / 109,050.35-150,479.11-63,738.95

Finding the Fourth Proportional to 109,050.35, 150,479.11 and 63,738.95

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Solution

The fourth proportional to 109,050.35, 150,479.11 and 63,738.95 is: 87,953.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,050.35 : 150,479.11 = 63,738.95 : x
  2. Step 2: Convert to fraction form
    109,050.35/150,479.11 = 63,738.95/x
  3. Step 3: Cross multiply
    109,050.35x = 150,479.11 × 63,738.95
  4. Step 4: Simplify right side
    109,050.35x = 9,591,380,468.33
  5. Step 5: Solve for x
    x = 9,591,380,468.33/109,050.35
  6. Step 6: Final answer
    x = 87,953.69

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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.