Home / 66,157.18-91,297.34-35,942.49

Finding the Fourth Proportional to 66,157.18, 91,297.34 and 35,942.49

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Solution

The fourth proportional to 66,157.18, 91,297.34 and 35,942.49 is: 49,600.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,157.18 : 91,297.34 = 35,942.49 : x
  2. Step 2: Convert to fraction form
    66,157.18/91,297.34 = 35,942.49/x
  3. Step 3: Cross multiply
    66,157.18x = 91,297.34 × 35,942.49
  4. Step 4: Simplify right side
    66,157.18x = 3,281,453,729.98
  5. Step 5: Solve for x
    x = 3,281,453,729.98/66,157.18
  6. Step 6: Final answer
    x = 49,600.87

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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.