Home / 77,747.58-116,589.98-30,355.90

Finding the Fourth Proportional to 77,747.58, 116,589.98 and 30,355.90

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Solution

The fourth proportional to 77,747.58, 116,589.98 and 30,355.90 is: 45,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,747.58 : 116,589.98 = 30,355.90 : x
  2. Step 2: Convert to fraction form
    77,747.58/116,589.98 = 30,355.90/x
  3. Step 3: Cross multiply
    77,747.58x = 116,589.98 × 30,355.90
  4. Step 4: Simplify right side
    77,747.58x = 3,539,193,558.30
  5. Step 5: Solve for x
    x = 3,539,193,558.30/77,747.58
  6. Step 6: Final answer
    x = 45,521.59

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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.