Home / 87,186.58-119,531.35-85,611.94

Finding the Fourth Proportional to 87,186.58, 119,531.35 and 85,611.94

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Solution

The fourth proportional to 87,186.58, 119,531.35 and 85,611.94 is: 117,372.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,186.58 : 119,531.35 = 85,611.94 : x
  2. Step 2: Convert to fraction form
    87,186.58/119,531.35 = 85,611.94/x
  3. Step 3: Cross multiply
    87,186.58x = 119,531.35 × 85,611.94
  4. Step 4: Simplify right side
    87,186.58x = 10,233,310,764.32
  5. Step 5: Solve for x
    x = 10,233,310,764.32/87,186.58
  6. Step 6: Final answer
    x = 117,372.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.