Home / 96,531.44-133,218.72-54,103.60

Finding the Fourth Proportional to 96,531.44, 133,218.72 and 54,103.60

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Solution

The fourth proportional to 96,531.44, 133,218.72 and 54,103.60 is: 74,665.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,531.44 : 133,218.72 = 54,103.60 : x
  2. Step 2: Convert to fraction form
    96,531.44/133,218.72 = 54,103.60/x
  3. Step 3: Cross multiply
    96,531.44x = 133,218.72 × 54,103.60
  4. Step 4: Simplify right side
    96,531.44x = 7,207,612,339.39
  5. Step 5: Solve for x
    x = 7,207,612,339.39/96,531.44
  6. Step 6: Final answer
    x = 74,665.96

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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.