Home / 57,063.42-78,728.27-33,170.45

Finding the Fourth Proportional to 57,063.42, 78,728.27 and 33,170.45

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Solution

The fourth proportional to 57,063.42, 78,728.27 and 33,170.45 is: 45,764.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,063.42 : 78,728.27 = 33,170.45 : x
  2. Step 2: Convert to fraction form
    57,063.42/78,728.27 = 33,170.45/x
  3. Step 3: Cross multiply
    57,063.42x = 78,728.27 × 33,170.45
  4. Step 4: Simplify right side
    57,063.42x = 2,611,451,584.13
  5. Step 5: Solve for x
    x = 2,611,451,584.13/57,063.42
  6. Step 6: Final answer
    x = 45,764.02

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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.