Home / 96,969.78-133,817.13-54,535.50

Finding the Fourth Proportional to 96,969.78, 133,817.13 and 54,535.50

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Solution

The fourth proportional to 96,969.78, 133,817.13 and 54,535.50 is: 75,258.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,969.78 : 133,817.13 = 54,535.50 : x
  2. Step 2: Convert to fraction form
    96,969.78/133,817.13 = 54,535.50/x
  3. Step 3: Cross multiply
    96,969.78x = 133,817.13 × 54,535.50
  4. Step 4: Simplify right side
    96,969.78x = 7,297,784,093.12
  5. Step 5: Solve for x
    x = 7,297,784,093.12/96,969.78
  6. Step 6: Final answer
    x = 75,258.33

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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.