Home / 88,939.28-133,446.36-38,993.60

Finding the Fourth Proportional to 88,939.28, 133,446.36 and 38,993.60

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Solution

The fourth proportional to 88,939.28, 133,446.36 and 38,993.60 is: 58,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,939.28 : 133,446.36 = 38,993.60 : x
  2. Step 2: Convert to fraction form
    88,939.28/133,446.36 = 38,993.60/x
  3. Step 3: Cross multiply
    88,939.28x = 133,446.36 × 38,993.60
  4. Step 4: Simplify right side
    88,939.28x = 5,203,553,983.30
  5. Step 5: Solve for x
    x = 5,203,553,983.30/88,939.28
  6. Step 6: Final answer
    x = 58,506.81

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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.