Home / 96,868.10-133,661.13-54,428.42

Finding the Fourth Proportional to 96,868.10, 133,661.13 and 54,428.42

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Solution

The fourth proportional to 96,868.10, 133,661.13 and 54,428.42 is: 75,101.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,868.10 : 133,661.13 = 54,428.42 : x
  2. Step 2: Convert to fraction form
    96,868.10/133,661.13 = 54,428.42/x
  3. Step 3: Cross multiply
    96,868.10x = 133,661.13 × 54,428.42
  4. Step 4: Simplify right side
    96,868.10x = 7,274,964,121.31
  5. Step 5: Solve for x
    x = 7,274,964,121.31/96,868.10
  6. Step 6: Final answer
    x = 75,101.75

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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.