Home / 96,641.78-133,365.40-54,201.23

Finding the Fourth Proportional to 96,641.78, 133,365.40 and 54,201.23

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Solution

The fourth proportional to 96,641.78, 133,365.40 and 54,201.23 is: 74,797.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,641.78 : 133,365.40 = 54,201.23 : x
  2. Step 2: Convert to fraction form
    96,641.78/133,365.40 = 54,201.23/x
  3. Step 3: Cross multiply
    96,641.78x = 133,365.40 × 54,201.23
  4. Step 4: Simplify right side
    96,641.78x = 7,228,568,719.44
  5. Step 5: Solve for x
    x = 7,228,568,719.44/96,641.78
  6. Step 6: Final answer
    x = 74,797.55

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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.