Home / 112,221.86-168,303.99-33,317.78

Finding the Fourth Proportional to 112,221.86, 168,303.99 and 33,317.78

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Solution

The fourth proportional to 112,221.86, 168,303.99 and 33,317.78 is: 49,968.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,221.86 : 168,303.99 = 33,317.78 : x
  2. Step 2: Convert to fraction form
    112,221.86/168,303.99 = 33,317.78/x
  3. Step 3: Cross multiply
    112,221.86x = 168,303.99 × 33,317.78
  4. Step 4: Simplify right side
    112,221.86x = 5,607,515,311.94
  5. Step 5: Solve for x
    x = 5,607,515,311.94/112,221.86
  6. Step 6: Final answer
    x = 49,968.12

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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.