Home / 80,495.33-120,693.77-38,388.29

Finding the Fourth Proportional to 80,495.33, 120,693.77 and 38,388.29

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Solution

The fourth proportional to 80,495.33, 120,693.77 and 38,388.29 is: 57,558.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,495.33 : 120,693.77 = 38,388.29 : x
  2. Step 2: Convert to fraction form
    80,495.33/120,693.77 = 38,388.29/x
  3. Step 3: Cross multiply
    80,495.33x = 120,693.77 × 38,388.29
  4. Step 4: Simplify right side
    80,495.33x = 4,633,227,252.01
  5. Step 5: Solve for x
    x = 4,633,227,252.01/80,495.33
  6. Step 6: Final answer
    x = 57,558.96

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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.