Home / 66,947.45-100,357.38-22,551.35

Finding the Fourth Proportional to 66,947.45, 100,357.38 and 22,551.35

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Solution

The fourth proportional to 66,947.45, 100,357.38 and 22,551.35 is: 33,805.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,947.45 : 100,357.38 = 22,551.35 : x
  2. Step 2: Convert to fraction form
    66,947.45/100,357.38 = 22,551.35/x
  3. Step 3: Cross multiply
    66,947.45x = 100,357.38 × 22,551.35
  4. Step 4: Simplify right side
    66,947.45x = 2,263,193,899.68
  5. Step 5: Solve for x
    x = 2,263,193,899.68/66,947.45
  6. Step 6: Final answer
    x = 33,805.53

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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.