Home / 116,742.38-175,135.46-54,412.88

Finding the Fourth Proportional to 116,742.38, 175,135.46 and 54,412.88

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Solution

The fourth proportional to 116,742.38, 175,135.46 and 54,412.88 is: 81,629.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,742.38 : 175,135.46 = 54,412.88 : x
  2. Step 2: Convert to fraction form
    116,742.38/175,135.46 = 54,412.88/x
  3. Step 3: Cross multiply
    116,742.38x = 175,135.46 × 54,412.88
  4. Step 4: Simplify right side
    116,742.38x = 9,529,623,620.98
  5. Step 5: Solve for x
    x = 9,529,623,620.98/116,742.38
  6. Step 6: Final answer
    x = 81,629.52

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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.