Home / 108,664.54-149,956.96-60,917.88

Finding the Fourth Proportional to 108,664.54, 149,956.96 and 60,917.88

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Solution

The fourth proportional to 108,664.54, 149,956.96 and 60,917.88 is: 84,066.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,664.54 : 149,956.96 = 60,917.88 : x
  2. Step 2: Convert to fraction form
    108,664.54/149,956.96 = 60,917.88/x
  3. Step 3: Cross multiply
    108,664.54x = 149,956.96 × 60,917.88
  4. Step 4: Simplify right side
    108,664.54x = 9,135,060,094.44
  5. Step 5: Solve for x
    x = 9,135,060,094.44/108,664.54
  6. Step 6: Final answer
    x = 84,066.62

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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.