Home / 98,741.56-148,433.10-79,233.52

Finding the Fourth Proportional to 98,741.56, 148,433.10 and 79,233.52

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Solution

The fourth proportional to 98,741.56, 148,433.10 and 79,233.52 is: 119,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,741.56 : 148,433.10 = 79,233.52 : x
  2. Step 2: Convert to fraction form
    98,741.56/148,433.10 = 79,233.52/x
  3. Step 3: Cross multiply
    98,741.56x = 148,433.10 × 79,233.52
  4. Step 4: Simplify right side
    98,741.56x = 11,760,876,997.51
  5. Step 5: Solve for x
    x = 11,760,876,997.51/98,741.56
  6. Step 6: Final answer
    x = 119,107.67

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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.