Home / 108,268.62-149,409.86-59,872.66

Finding the Fourth Proportional to 108,268.62, 149,409.86 and 59,872.66

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Solution

The fourth proportional to 108,268.62, 149,409.86 and 59,872.66 is: 82,623.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,268.62 : 149,409.86 = 59,872.66 : x
  2. Step 2: Convert to fraction form
    108,268.62/149,409.86 = 59,872.66/x
  3. Step 3: Cross multiply
    108,268.62x = 149,409.86 × 59,872.66
  4. Step 4: Simplify right side
    108,268.62x = 8,945,565,748.43
  5. Step 5: Solve for x
    x = 8,945,565,748.43/108,268.62
  6. Step 6: Final answer
    x = 82,623.81

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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.