Home / 89,325.72-133,813.44-51,806.97

Finding the Fourth Proportional to 89,325.72, 133,813.44 and 51,806.97

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Solution

The fourth proportional to 89,325.72, 133,813.44 and 51,806.97 is: 77,608.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,325.72 : 133,813.44 = 51,806.97 : x
  2. Step 2: Convert to fraction form
    89,325.72/133,813.44 = 51,806.97/x
  3. Step 3: Cross multiply
    89,325.72x = 133,813.44 × 51,806.97
  4. Step 4: Simplify right side
    89,325.72x = 6,932,468,871.68
  5. Step 5: Solve for x
    x = 6,932,468,871.68/89,325.72
  6. Step 6: Final answer
    x = 77,608.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.