Home / 80,068.37-120,005.82-29,426.54

Finding the Fourth Proportional to 80,068.37, 120,005.82 and 29,426.54

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Solution

The fourth proportional to 80,068.37, 120,005.82 and 29,426.54 is: 44,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,068.37 : 120,005.82 = 29,426.54 : x
  2. Step 2: Convert to fraction form
    80,068.37/120,005.82 = 29,426.54/x
  3. Step 3: Cross multiply
    80,068.37x = 120,005.82 × 29,426.54
  4. Step 4: Simplify right side
    80,068.37x = 3,531,355,462.43
  5. Step 5: Solve for x
    x = 3,531,355,462.43/80,068.37
  6. Step 6: Final answer
    x = 44,104.25

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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.