Home / 98,922.88-148,391.12-39,758.60

Finding the Fourth Proportional to 98,922.88, 148,391.12 and 39,758.60

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Solution

The fourth proportional to 98,922.88, 148,391.12 and 39,758.60 is: 59,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,922.88 : 148,391.12 = 39,758.60 : x
  2. Step 2: Convert to fraction form
    98,922.88/148,391.12 = 39,758.60/x
  3. Step 3: Cross multiply
    98,922.88x = 148,391.12 × 39,758.60
  4. Step 4: Simplify right side
    98,922.88x = 5,899,823,183.63
  5. Step 5: Solve for x
    x = 5,899,823,183.63/98,922.88
  6. Step 6: Final answer
    x = 59,640.63

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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.