Home / 70,688.26-105,992.34-23,290.66

Finding the Fourth Proportional to 70,688.26, 105,992.34 and 23,290.66

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Solution

The fourth proportional to 70,688.26, 105,992.34 and 23,290.66 is: 34,922.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,688.26 : 105,992.34 = 23,290.66 : x
  2. Step 2: Convert to fraction form
    70,688.26/105,992.34 = 23,290.66/x
  3. Step 3: Cross multiply
    70,688.26x = 105,992.34 × 23,290.66
  4. Step 4: Simplify right side
    70,688.26x = 2,468,631,553.54
  5. Step 5: Solve for x
    x = 2,468,631,553.54/70,688.26
  6. Step 6: Final answer
    x = 34,922.79

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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.