Home / 77,912.12-116,971.85-41,002.04

Finding the Fourth Proportional to 77,912.12, 116,971.85 and 41,002.04

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Solution

The fourth proportional to 77,912.12, 116,971.85 and 41,002.04 is: 61,557.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,912.12 : 116,971.85 = 41,002.04 : x
  2. Step 2: Convert to fraction form
    77,912.12/116,971.85 = 41,002.04/x
  3. Step 3: Cross multiply
    77,912.12x = 116,971.85 × 41,002.04
  4. Step 4: Simplify right side
    77,912.12x = 4,796,083,990.22
  5. Step 5: Solve for x
    x = 4,796,083,990.22/77,912.12
  6. Step 6: Final answer
    x = 61,557.62

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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.