Home / 108,380.48-149,558.04-60,625.64

Finding the Fourth Proportional to 108,380.48, 149,558.04 and 60,625.64

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Solution

The fourth proportional to 108,380.48, 149,558.04 and 60,625.64 is: 83,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,380.48 : 149,558.04 = 60,625.64 : x
  2. Step 2: Convert to fraction form
    108,380.48/149,558.04 = 60,625.64/x
  3. Step 3: Cross multiply
    108,380.48x = 149,558.04 × 60,625.64
  4. Step 4: Simplify right side
    108,380.48x = 9,067,051,892.15
  5. Step 5: Solve for x
    x = 9,067,051,892.15/108,380.48
  6. Step 6: Final answer
    x = 83,659.46

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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.