Home / 108,784.30-163,172.35-29,896.48

Finding the Fourth Proportional to 108,784.30, 163,172.35 and 29,896.48

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Solution

The fourth proportional to 108,784.30, 163,172.35 and 29,896.48 is: 44,843.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,784.30 : 163,172.35 = 29,896.48 : x
  2. Step 2: Convert to fraction form
    108,784.30/163,172.35 = 29,896.48/x
  3. Step 3: Cross multiply
    108,784.30x = 163,172.35 × 29,896.48
  4. Step 4: Simplify right side
    108,784.30x = 4,878,278,898.33
  5. Step 5: Solve for x
    x = 4,878,278,898.33/108,784.30
  6. Step 6: Final answer
    x = 44,843.59

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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.