Home / 98,403.23-147,676.53-39,255.82

Finding the Fourth Proportional to 98,403.23, 147,676.53 and 39,255.82

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Solution

The fourth proportional to 98,403.23, 147,676.53 and 39,255.82 is: 58,912.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,403.23 : 147,676.53 = 39,255.82 : x
  2. Step 2: Convert to fraction form
    98,403.23/147,676.53 = 39,255.82/x
  3. Step 3: Cross multiply
    98,403.23x = 147,676.53 × 39,255.82
  4. Step 4: Simplify right side
    98,403.23x = 5,797,163,279.90
  5. Step 5: Solve for x
    x = 5,797,163,279.90/98,403.23
  6. Step 6: Final answer
    x = 58,912.33

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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.