Home / 66,947.69-100,327.14-36,975.44

Finding the Fourth Proportional to 66,947.69, 100,327.14 and 36,975.44

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Solution

The fourth proportional to 66,947.69, 100,327.14 and 36,975.44 is: 55,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,947.69 : 100,327.14 = 36,975.44 : x
  2. Step 2: Convert to fraction form
    66,947.69/100,327.14 = 36,975.44/x
  3. Step 3: Cross multiply
    66,947.69x = 100,327.14 × 36,975.44
  4. Step 4: Simplify right side
    66,947.69x = 3,709,640,145.44
  5. Step 5: Solve for x
    x = 3,709,640,145.44/66,947.69
  6. Step 6: Final answer
    x = 55,411.03

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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.