Home / 108,060.42-149,202.39-69,842.58

Finding the Fourth Proportional to 108,060.42, 149,202.39 and 69,842.58

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Solution

The fourth proportional to 108,060.42, 149,202.39 and 69,842.58 is: 96,433.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,060.42 : 149,202.39 = 69,842.58 : x
  2. Step 2: Convert to fraction form
    108,060.42/149,202.39 = 69,842.58/x
  3. Step 3: Cross multiply
    108,060.42x = 149,202.39 × 69,842.58
  4. Step 4: Simplify right side
    108,060.42x = 10,420,679,859.77
  5. Step 5: Solve for x
    x = 10,420,679,859.77/108,060.42
  6. Step 6: Final answer
    x = 96,433.83

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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.