Home / 69,945.61-104,949.43-36,657.77

Finding the Fourth Proportional to 69,945.61, 104,949.43 and 36,657.77

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Solution

The fourth proportional to 69,945.61, 104,949.43 and 36,657.77 is: 55,002.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,945.61 : 104,949.43 = 36,657.77 : x
  2. Step 2: Convert to fraction form
    69,945.61/104,949.43 = 36,657.77/x
  3. Step 3: Cross multiply
    69,945.61x = 104,949.43 × 36,657.77
  4. Step 4: Simplify right side
    69,945.61x = 3,847,212,066.57
  5. Step 5: Solve for x
    x = 3,847,212,066.57/69,945.61
  6. Step 6: Final answer
    x = 55,002.91

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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.