Home / 77,619.12-116,359.56-36,043.44

Finding the Fourth Proportional to 77,619.12, 116,359.56 and 36,043.44

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Solution

The fourth proportional to 77,619.12, 116,359.56 and 36,043.44 is: 54,033.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,619.12 : 116,359.56 = 36,043.44 : x
  2. Step 2: Convert to fraction form
    77,619.12/116,359.56 = 36,043.44/x
  3. Step 3: Cross multiply
    77,619.12x = 116,359.56 × 36,043.44
  4. Step 4: Simplify right side
    77,619.12x = 4,193,998,819.29
  5. Step 5: Solve for x
    x = 4,193,998,819.29/77,619.12
  6. Step 6: Final answer
    x = 54,033.06

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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.