Home / 108,451.73-149,661.64-60,704.93

Finding the Fourth Proportional to 108,451.73, 149,661.64 and 60,704.93

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Solution

The fourth proportional to 108,451.73, 149,661.64 and 60,704.93 is: 83,771.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,451.73 : 149,661.64 = 60,704.93 : x
  2. Step 2: Convert to fraction form
    108,451.73/149,661.64 = 60,704.93/x
  3. Step 3: Cross multiply
    108,451.73x = 149,661.64 × 60,704.93
  4. Step 4: Simplify right side
    108,451.73x = 9,085,199,379.89
  5. Step 5: Solve for x
    x = 9,085,199,379.89/108,451.73
  6. Step 6: Final answer
    x = 83,771.83

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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.