Home / 108,106.88-149,186.10-60,361.04

Finding the Fourth Proportional to 108,106.88, 149,186.10 and 60,361.04

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Solution

The fourth proportional to 108,106.88, 149,186.10 and 60,361.04 is: 83,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,106.88 : 149,186.10 = 60,361.04 : x
  2. Step 2: Convert to fraction form
    108,106.88/149,186.10 = 60,361.04/x
  3. Step 3: Cross multiply
    108,106.88x = 149,186.10 × 60,361.04
  4. Step 4: Simplify right side
    108,106.88x = 9,005,028,149.54
  5. Step 5: Solve for x
    x = 9,005,028,149.54/108,106.88
  6. Step 6: Final answer
    x = 83,297.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.