Home / 108,754.47-163,100.39-29,871.27

Finding the Fourth Proportional to 108,754.47, 163,100.39 and 29,871.27

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Solution

The fourth proportional to 108,754.47, 163,100.39 and 29,871.27 is: 44,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,754.47 : 163,100.39 = 29,871.27 : x
  2. Step 2: Convert to fraction form
    108,754.47/163,100.39 = 29,871.27/x
  3. Step 3: Cross multiply
    108,754.47x = 163,100.39 × 29,871.27
  4. Step 4: Simplify right side
    108,754.47x = 4,872,015,637.44
  5. Step 5: Solve for x
    x = 4,872,015,637.44/108,754.47
  6. Step 6: Final answer
    x = 44,798.30

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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.