Home / 96,564.83-133,257.38-54,122.45

Finding the Fourth Proportional to 96,564.83, 133,257.38 and 54,122.45

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Solution

The fourth proportional to 96,564.83, 133,257.38 and 54,122.45 is: 74,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,564.83 : 133,257.38 = 54,122.45 : x
  2. Step 2: Convert to fraction form
    96,564.83/133,257.38 = 54,122.45/x
  3. Step 3: Cross multiply
    96,564.83x = 133,257.38 × 54,122.45
  4. Step 4: Simplify right side
    96,564.83x = 7,212,214,949.28
  5. Step 5: Solve for x
    x = 7,212,214,949.28/96,564.83
  6. Step 6: Final answer
    x = 74,687.81

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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.