Home / 275,374.14-412,981.75-75,701.04

Finding the Fourth Proportional to 275,374.14, 412,981.75 and 75,701.04

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Solution

The fourth proportional to 275,374.14, 412,981.75 and 75,701.04 is: 113,529.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,374.14 : 412,981.75 = 75,701.04 : x
  2. Step 2: Convert to fraction form
    275,374.14/412,981.75 = 75,701.04/x
  3. Step 3: Cross multiply
    275,374.14x = 412,981.75 × 75,701.04
  4. Step 4: Simplify right side
    275,374.14x = 31,263,147,976.02
  5. Step 5: Solve for x
    x = 31,263,147,976.02/275,374.14
  6. Step 6: Final answer
    x = 113,529.72

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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.