Home / 69,657.57-104,560.07-43,380.77

Finding the Fourth Proportional to 69,657.57, 104,560.07 and 43,380.77

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Solution

The fourth proportional to 69,657.57, 104,560.07 and 43,380.77 is: 65,117.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,657.57 : 104,560.07 = 43,380.77 : x
  2. Step 2: Convert to fraction form
    69,657.57/104,560.07 = 43,380.77/x
  3. Step 3: Cross multiply
    69,657.57x = 104,560.07 × 43,380.77
  4. Step 4: Simplify right side
    69,657.57x = 4,535,895,608.15
  5. Step 5: Solve for x
    x = 4,535,895,608.15/69,657.57
  6. Step 6: Final answer
    x = 65,117.05

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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.