Home / 53,243.12-79,661.64-32,105.36

Finding the Fourth Proportional to 53,243.12, 79,661.64 and 32,105.36

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Solution

The fourth proportional to 53,243.12, 79,661.64 and 32,105.36 is: 48,035.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,243.12 : 79,661.64 = 32,105.36 : x
  2. Step 2: Convert to fraction form
    53,243.12/79,661.64 = 32,105.36/x
  3. Step 3: Cross multiply
    53,243.12x = 79,661.64 × 32,105.36
  4. Step 4: Simplify right side
    53,243.12x = 2,557,565,630.39
  5. Step 5: Solve for x
    x = 2,557,565,630.39/53,243.12
  6. Step 6: Final answer
    x = 48,035.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.