Home / 70,350.22-105,513.93-25,997.86

Finding the Fourth Proportional to 70,350.22, 105,513.93 and 25,997.86

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Solution

The fourth proportional to 70,350.22, 105,513.93 and 25,997.86 is: 38,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,350.22 : 105,513.93 = 25,997.86 : x
  2. Step 2: Convert to fraction form
    70,350.22/105,513.93 = 25,997.86/x
  3. Step 3: Cross multiply
    70,350.22x = 105,513.93 × 25,997.86
  4. Step 4: Simplify right side
    70,350.22x = 2,743,136,380.19
  5. Step 5: Solve for x
    x = 2,743,136,380.19/70,350.22
  6. Step 6: Final answer
    x = 38,992.58

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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.