Home / 43,486.89-65,136.60-29,369.29

Finding the Fourth Proportional to 43,486.89, 65,136.60 and 29,369.29

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Solution

The fourth proportional to 43,486.89, 65,136.60 and 29,369.29 is: 43,990.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,486.89 : 65,136.60 = 29,369.29 : x
  2. Step 2: Convert to fraction form
    43,486.89/65,136.60 = 29,369.29/x
  3. Step 3: Cross multiply
    43,486.89x = 65,136.60 × 29,369.29
  4. Step 4: Simplify right side
    43,486.89x = 1,913,015,532.17
  5. Step 5: Solve for x
    x = 1,913,015,532.17/43,486.89
  6. Step 6: Final answer
    x = 43,990.63

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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.