Home / 89,917.90-124,611.41-88,649.44

Finding the Fourth Proportional to 89,917.90, 124,611.41 and 88,649.44

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Solution

The fourth proportional to 89,917.90, 124,611.41 and 88,649.44 is: 122,853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,917.90 : 124,611.41 = 88,649.44 : x
  2. Step 2: Convert to fraction form
    89,917.90/124,611.41 = 88,649.44/x
  3. Step 3: Cross multiply
    89,917.90x = 124,611.41 × 88,649.44
  4. Step 4: Simplify right side
    89,917.90x = 11,046,731,624.21
  5. Step 5: Solve for x
    x = 11,046,731,624.21/89,917.90
  6. Step 6: Final answer
    x = 122,853.54

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.