Home / 96,989.69-133,830.35-54,540.02

Finding the Fourth Proportional to 96,989.69, 133,830.35 and 54,540.02

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Solution

The fourth proportional to 96,989.69, 133,830.35 and 54,540.02 is: 75,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,989.69 : 133,830.35 = 54,540.02 : x
  2. Step 2: Convert to fraction form
    96,989.69/133,830.35 = 54,540.02/x
  3. Step 3: Cross multiply
    96,989.69x = 133,830.35 × 54,540.02
  4. Step 4: Simplify right side
    96,989.69x = 7,299,110,171.10
  5. Step 5: Solve for x
    x = 7,299,110,171.10/96,989.69
  6. Step 6: Final answer
    x = 75,256.56

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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.