Home / 91,049.92-125,676.68-52,819.16

Finding the Fourth Proportional to 91,049.92, 125,676.68 and 52,819.16

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Solution

The fourth proportional to 91,049.92, 125,676.68 and 52,819.16 is: 72,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,049.92 : 125,676.68 = 52,819.16 : x
  2. Step 2: Convert to fraction form
    91,049.92/125,676.68 = 52,819.16/x
  3. Step 3: Cross multiply
    91,049.92x = 125,676.68 × 52,819.16
  4. Step 4: Simplify right side
    91,049.92x = 6,638,136,669.19
  5. Step 5: Solve for x
    x = 6,638,136,669.19/91,049.92
  6. Step 6: Final answer
    x = 72,906.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.