Home / 96,549.52-133,243.60-54,121.68

Finding the Fourth Proportional to 96,549.52, 133,243.60 and 54,121.68

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Solution

The fourth proportional to 96,549.52, 133,243.60 and 54,121.68 is: 74,690.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,549.52 : 133,243.60 = 54,121.68 : x
  2. Step 2: Convert to fraction form
    96,549.52/133,243.60 = 54,121.68/x
  3. Step 3: Cross multiply
    96,549.52x = 133,243.60 × 54,121.68
  4. Step 4: Simplify right side
    96,549.52x = 7,211,367,481.25
  5. Step 5: Solve for x
    x = 7,211,367,481.25/96,549.52
  6. Step 6: Final answer
    x = 74,690.87

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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.