Home / 100,879.20-151,327.08-41,703.84

Finding the Fourth Proportional to 100,879.20, 151,327.08 and 41,703.84

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Solution

The fourth proportional to 100,879.20, 151,327.08 and 41,703.84 is: 62,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,879.20 : 151,327.08 = 41,703.84 : x
  2. Step 2: Convert to fraction form
    100,879.20/151,327.08 = 41,703.84/x
  3. Step 3: Cross multiply
    100,879.20x = 151,327.08 × 41,703.84
  4. Step 4: Simplify right side
    100,879.20x = 6,310,920,331.99
  5. Step 5: Solve for x
    x = 6,310,920,331.99/100,879.20
  6. Step 6: Final answer
    x = 62,559.18

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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.