Home / 79,321.26-118,969.10-23,148.18

Finding the Fourth Proportional to 79,321.26, 118,969.10 and 23,148.18

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Solution

The fourth proportional to 79,321.26, 118,969.10 and 23,148.18 is: 34,718.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,321.26 : 118,969.10 = 23,148.18 : x
  2. Step 2: Convert to fraction form
    79,321.26/118,969.10 = 23,148.18/x
  3. Step 3: Cross multiply
    79,321.26x = 118,969.10 × 23,148.18
  4. Step 4: Simplify right side
    79,321.26x = 2,753,918,141.24
  5. Step 5: Solve for x
    x = 2,753,918,141.24/79,321.26
  6. Step 6: Final answer
    x = 34,718.54

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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.