Home / 91,216.92-136,815.76-43,174.04

Finding the Fourth Proportional to 91,216.92, 136,815.76 and 43,174.04

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Solution

The fourth proportional to 91,216.92, 136,815.76 and 43,174.04 is: 64,756.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,216.92 : 136,815.76 = 43,174.04 : x
  2. Step 2: Convert to fraction form
    91,216.92/136,815.76 = 43,174.04/x
  3. Step 3: Cross multiply
    91,216.92x = 136,815.76 × 43,174.04
  4. Step 4: Simplify right side
    91,216.92x = 5,906,889,094.87
  5. Step 5: Solve for x
    x = 5,906,889,094.87/91,216.92
  6. Step 6: Final answer
    x = 64,756.51

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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.