Home / 96,105.48-132,716.82-90,869.64

Finding the Fourth Proportional to 96,105.48, 132,716.82 and 90,869.64

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Solution

The fourth proportional to 96,105.48, 132,716.82 and 90,869.64 is: 125,486.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,105.48 : 132,716.82 = 90,869.64 : x
  2. Step 2: Convert to fraction form
    96,105.48/132,716.82 = 90,869.64/x
  3. Step 3: Cross multiply
    96,105.48x = 132,716.82 × 90,869.64
  4. Step 4: Simplify right side
    96,105.48x = 12,059,929,655.34
  5. Step 5: Solve for x
    x = 12,059,929,655.34/96,105.48
  6. Step 6: Final answer
    x = 125,486.39

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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.