Home / 66,206.19-91,366.32-35,993.56

Finding the Fourth Proportional to 66,206.19, 91,366.32 and 35,993.56

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Solution

The fourth proportional to 66,206.19, 91,366.32 and 35,993.56 is: 49,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,206.19 : 91,366.32 = 35,993.56 : x
  2. Step 2: Convert to fraction form
    66,206.19/91,366.32 = 35,993.56/x
  3. Step 3: Cross multiply
    66,206.19x = 91,366.32 × 35,993.56
  4. Step 4: Simplify right side
    66,206.19x = 3,288,599,120.90
  5. Step 5: Solve for x
    x = 3,288,599,120.90/66,206.19
  6. Step 6: Final answer
    x = 49,672.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.