Home / 96,913.72-133,740.21-54,472.42

Finding the Fourth Proportional to 96,913.72, 133,740.21 and 54,472.42

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Solution

The fourth proportional to 96,913.72, 133,740.21 and 54,472.42 is: 75,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,913.72 : 133,740.21 = 54,472.42 : x
  2. Step 2: Convert to fraction form
    96,913.72/133,740.21 = 54,472.42/x
  3. Step 3: Cross multiply
    96,913.72x = 133,740.21 × 54,472.42
  4. Step 4: Simplify right side
    96,913.72x = 7,285,152,890.01
  5. Step 5: Solve for x
    x = 7,285,152,890.01/96,913.72
  6. Step 6: Final answer
    x = 75,171.53

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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.