Home / 95,942.40-143,719.20-54,340.80

Finding the Fourth Proportional to 95,942.40, 143,719.20 and 54,340.80

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Solution

The fourth proportional to 95,942.40, 143,719.20 and 54,340.80 is: 81,401.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,942.40 : 143,719.20 = 54,340.80 : x
  2. Step 2: Convert to fraction form
    95,942.40/143,719.20 = 54,340.80/x
  3. Step 3: Cross multiply
    95,942.40x = 143,719.20 × 54,340.80
  4. Step 4: Simplify right side
    95,942.40x = 7,809,816,303.36
  5. Step 5: Solve for x
    x = 7,809,816,303.36/95,942.40
  6. Step 6: Final answer
    x = 81,401.09

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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.