Home / 112,861.48-169,327.98-67,932.04

Finding the Fourth Proportional to 112,861.48, 169,327.98 and 67,932.04

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Solution

The fourth proportional to 112,861.48, 169,327.98 and 67,932.04 is: 101,919.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,861.48 : 169,327.98 = 67,932.04 : x
  2. Step 2: Convert to fraction form
    112,861.48/169,327.98 = 67,932.04/x
  3. Step 3: Cross multiply
    112,861.48x = 169,327.98 × 67,932.04
  4. Step 4: Simplify right side
    112,861.48x = 11,502,795,110.48
  5. Step 5: Solve for x
    x = 11,502,795,110.48/112,861.48
  6. Step 6: Final answer
    x = 101,919.58

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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.