Home / 96,640.64-133,351.20-53,619.44

Finding the Fourth Proportional to 96,640.64, 133,351.20 and 53,619.44

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Solution

The fourth proportional to 96,640.64, 133,351.20 and 53,619.44 is: 73,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,640.64 : 133,351.20 = 53,619.44 : x
  2. Step 2: Convert to fraction form
    96,640.64/133,351.20 = 53,619.44/x
  3. Step 3: Cross multiply
    96,640.64x = 133,351.20 × 53,619.44
  4. Step 4: Simplify right side
    96,640.64x = 7,150,216,667.33
  5. Step 5: Solve for x
    x = 7,150,216,667.33/96,640.64
  6. Step 6: Final answer
    x = 73,987.68

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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.