Home / 29,110.59-43,670.75-9,121.41

Finding the Fourth Proportional to 29,110.59, 43,670.75 and 9,121.41

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Solution

The fourth proportional to 29,110.59, 43,670.75 and 9,121.41 is: 13,683.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,110.59 : 43,670.75 = 9,121.41 : x
  2. Step 2: Convert to fraction form
    29,110.59/43,670.75 = 9,121.41/x
  3. Step 3: Cross multiply
    29,110.59x = 43,670.75 × 9,121.41
  4. Step 4: Simplify right side
    29,110.59x = 398,338,770.15
  5. Step 5: Solve for x
    x = 398,338,770.15/29,110.59
  6. Step 6: Final answer
    x = 13,683.64

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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.