Home / 79,327.60-119,092.82-68,154.42

Finding the Fourth Proportional to 79,327.60, 119,092.82 and 68,154.42

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Solution

The fourth proportional to 79,327.60, 119,092.82 and 68,154.42 is: 102,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,327.60 : 119,092.82 = 68,154.42 : x
  2. Step 2: Convert to fraction form
    79,327.60/119,092.82 = 68,154.42/x
  3. Step 3: Cross multiply
    79,327.60x = 119,092.82 × 68,154.42
  4. Step 4: Simplify right side
    79,327.60x = 8,116,702,073.26
  5. Step 5: Solve for x
    x = 8,116,702,073.26/79,327.60
  6. Step 6: Final answer
    x = 102,318.77

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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.