Home / 96,960.72-133,805.16-54,519.60

Finding the Fourth Proportional to 96,960.72, 133,805.16 and 54,519.60

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Solution

The fourth proportional to 96,960.72, 133,805.16 and 54,519.60 is: 75,236.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,960.72 : 133,805.16 = 54,519.60 : x
  2. Step 2: Convert to fraction form
    96,960.72/133,805.16 = 54,519.60/x
  3. Step 3: Cross multiply
    96,960.72x = 133,805.16 × 54,519.60
  4. Step 4: Simplify right side
    96,960.72x = 7,295,003,801.14
  5. Step 5: Solve for x
    x = 7,295,003,801.14/96,960.72
  6. Step 6: Final answer
    x = 75,236.69

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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.