Home / 76,285.60-114,409.26-36,279.90

Finding the Fourth Proportional to 76,285.60, 114,409.26 and 36,279.90

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Solution

The fourth proportional to 76,285.60, 114,409.26 and 36,279.90 is: 54,410.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,285.60 : 114,409.26 = 36,279.90 : x
  2. Step 2: Convert to fraction form
    76,285.60/114,409.26 = 36,279.90/x
  3. Step 3: Cross multiply
    76,285.60x = 114,409.26 × 36,279.90
  4. Step 4: Simplify right side
    76,285.60x = 4,150,756,511.87
  5. Step 5: Solve for x
    x = 4,150,756,511.87/76,285.60
  6. Step 6: Final answer
    x = 54,410.75

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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.