Home / 98,739.12-147,974.44-41,765.64

Finding the Fourth Proportional to 98,739.12, 147,974.44 and 41,765.64

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Solution

The fourth proportional to 98,739.12, 147,974.44 and 41,765.64 is: 62,591.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,739.12 : 147,974.44 = 41,765.64 : x
  2. Step 2: Convert to fraction form
    98,739.12/147,974.44 = 41,765.64/x
  3. Step 3: Cross multiply
    98,739.12x = 147,974.44 × 41,765.64
  4. Step 4: Simplify right side
    98,739.12x = 6,180,247,085.83
  5. Step 5: Solve for x
    x = 6,180,247,085.83/98,739.12
  6. Step 6: Final answer
    x = 62,591.68

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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.