Home / 66,911.10-100,366.83-22,569

Finding the Fourth Proportional to 66,911.10, 100,366.83 and 22,569

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Solution

The fourth proportional to 66,911.10, 100,366.83 and 22,569 is: 33,853.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,911.10 : 100,366.83 = 22,569 : x
  2. Step 2: Convert to fraction form
    66,911.10/100,366.83 = 22,569/x
  3. Step 3: Cross multiply
    66,911.10x = 100,366.83 × 22,569
  4. Step 4: Simplify right side
    66,911.10x = 2,265,178,986.27
  5. Step 5: Solve for x
    x = 2,265,178,986.27/66,911.10
  6. Step 6: Final answer
    x = 33,853.56

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1.5x scale

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.