Home / 73,291.10-109,608.60-61,481.30

Finding the Fourth Proportional to 73,291.10, 109,608.60 and 61,481.30

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Solution

The fourth proportional to 73,291.10, 109,608.60 and 61,481.30 is: 91,946.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,291.10 : 109,608.60 = 61,481.30 : x
  2. Step 2: Convert to fraction form
    73,291.10/109,608.60 = 61,481.30/x
  3. Step 3: Cross multiply
    73,291.10x = 109,608.60 × 61,481.30
  4. Step 4: Simplify right side
    73,291.10x = 6,738,879,219.18
  5. Step 5: Solve for x
    x = 6,738,879,219.18/73,291.10
  6. Step 6: Final answer
    x = 91,946.76

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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.