Home / 96,928.71-133,760.25-54,487.32

Finding the Fourth Proportional to 96,928.71, 133,760.25 and 54,487.32

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Solution

The fourth proportional to 96,928.71, 133,760.25 and 54,487.32 is: 75,191.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,928.71 : 133,760.25 = 54,487.32 : x
  2. Step 2: Convert to fraction form
    96,928.71/133,760.25 = 54,487.32/x
  3. Step 3: Cross multiply
    96,928.71x = 133,760.25 × 54,487.32
  4. Step 4: Simplify right side
    96,928.71x = 7,288,237,545.03
  5. Step 5: Solve for x
    x = 7,288,237,545.03/96,928.71
  6. Step 6: Final answer
    x = 75,191.73

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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.