Home / 98,991.21-148,375.26-49,107.06

Finding the Fourth Proportional to 98,991.21, 148,375.26 and 49,107.06

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Solution

The fourth proportional to 98,991.21, 148,375.26 and 49,107.06 is: 73,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,991.21 : 148,375.26 = 49,107.06 : x
  2. Step 2: Convert to fraction form
    98,991.21/148,375.26 = 49,107.06/x
  3. Step 3: Cross multiply
    98,991.21x = 148,375.26 × 49,107.06
  4. Step 4: Simplify right side
    98,991.21x = 7,286,272,795.34
  5. Step 5: Solve for x
    x = 7,286,272,795.34/98,991.21
  6. Step 6: Final answer
    x = 73,605.25

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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.