Home / 89,116.20-133,749.90-36,563.40

Finding the Fourth Proportional to 89,116.20, 133,749.90 and 36,563.40

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Solution

The fourth proportional to 89,116.20, 133,749.90 and 36,563.40 is: 54,876.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,116.20 : 133,749.90 = 36,563.40 : x
  2. Step 2: Convert to fraction form
    89,116.20/133,749.90 = 36,563.40/x
  3. Step 3: Cross multiply
    89,116.20x = 133,749.90 × 36,563.40
  4. Step 4: Simplify right side
    89,116.20x = 4,890,351,093.66
  5. Step 5: Solve for x
    x = 4,890,351,093.66/89,116.20
  6. Step 6: Final answer
    x = 54,876.12

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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.