Home / 78,916.62-108,902.16-44,922.54

Finding the Fourth Proportional to 78,916.62, 108,902.16 and 44,922.54

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Solution

The fourth proportional to 78,916.62, 108,902.16 and 44,922.54 is: 61,991.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,916.62 : 108,902.16 = 44,922.54 : x
  2. Step 2: Convert to fraction form
    78,916.62/108,902.16 = 44,922.54/x
  3. Step 3: Cross multiply
    78,916.62x = 108,902.16 × 44,922.54
  4. Step 4: Simplify right side
    78,916.62x = 4,892,161,638.69
  5. Step 5: Solve for x
    x = 4,892,161,638.69/78,916.62
  6. Step 6: Final answer
    x = 61,991.53

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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.