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Finding the Fourth Proportional to 70,593.45, 105,922.92 and 26,235.63

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Solution

The fourth proportional to 70,593.45, 105,922.92 and 26,235.63 is: 39,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,593.45 : 105,922.92 = 26,235.63 : x
  2. Step 2: Convert to fraction form
    70,593.45/105,922.92 = 26,235.63/x
  3. Step 3: Cross multiply
    70,593.45x = 105,922.92 × 26,235.63
  4. Step 4: Simplify right side
    70,593.45x = 2,778,954,537.64
  5. Step 5: Solve for x
    x = 2,778,954,537.64/70,593.45
  6. Step 6: Final answer
    x = 39,365.61

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1.5x scale

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.