Home / 89,101.20-133,392.60-54,022.80

Finding the Fourth Proportional to 89,101.20, 133,392.60 and 54,022.80

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Solution

The fourth proportional to 89,101.20, 133,392.60 and 54,022.80 is: 80,877.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,101.20 : 133,392.60 = 54,022.80 : x
  2. Step 2: Convert to fraction form
    89,101.20/133,392.60 = 54,022.80/x
  3. Step 3: Cross multiply
    89,101.20x = 133,392.60 × 54,022.80
  4. Step 4: Simplify right side
    89,101.20x = 7,206,241,751.28
  5. Step 5: Solve for x
    x = 7,206,241,751.28/89,101.20
  6. Step 6: Final answer
    x = 80,877.04

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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.