Home / 78,723.96-108,633.63-44,273.85

Finding the Fourth Proportional to 78,723.96, 108,633.63 and 44,273.85

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Solution

The fourth proportional to 78,723.96, 108,633.63 and 44,273.85 is: 61,094.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,723.96 : 108,633.63 = 44,273.85 : x
  2. Step 2: Convert to fraction form
    78,723.96/108,633.63 = 44,273.85/x
  3. Step 3: Cross multiply
    78,723.96x = 108,633.63 × 44,273.85
  4. Step 4: Simplify right side
    78,723.96x = 4,809,629,039.58
  5. Step 5: Solve for x
    x = 4,809,629,039.58/78,723.96
  6. Step 6: Final answer
    x = 61,094.86

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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.