Home / 98,738.86-148,117.29-32,161.90

Finding the Fourth Proportional to 98,738.86, 148,117.29 and 32,161.90

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Solution

The fourth proportional to 98,738.86, 148,117.29 and 32,161.90 is: 48,245.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,738.86 : 148,117.29 = 32,161.90 : x
  2. Step 2: Convert to fraction form
    98,738.86/148,117.29 = 32,161.90/x
  3. Step 3: Cross multiply
    98,738.86x = 148,117.29 × 32,161.90
  4. Step 4: Simplify right side
    98,738.86x = 4,763,733,469.25
  5. Step 5: Solve for x
    x = 4,763,733,469.25/98,738.86
  6. Step 6: Final answer
    x = 48,245.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.