Home / 73,119.58-109,679.40-26,372.45

Finding the Fourth Proportional to 73,119.58, 109,679.40 and 26,372.45

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Solution

The fourth proportional to 73,119.58, 109,679.40 and 26,372.45 is: 39,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,119.58 : 109,679.40 = 26,372.45 : x
  2. Step 2: Convert to fraction form
    73,119.58/109,679.40 = 26,372.45/x
  3. Step 3: Cross multiply
    73,119.58x = 109,679.40 × 26,372.45
  4. Step 4: Simplify right side
    73,119.58x = 2,892,514,766.73
  5. Step 5: Solve for x
    x = 2,892,514,766.73/73,119.58
  6. Step 6: Final answer
    x = 39,558.69

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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.