Home / 52,664.09-72,661.79-31,435.61

Finding the Fourth Proportional to 52,664.09, 72,661.79 and 31,435.61

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Solution

The fourth proportional to 52,664.09, 72,661.79 and 31,435.61 is: 43,372.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,664.09 : 72,661.79 = 31,435.61 : x
  2. Step 2: Convert to fraction form
    52,664.09/72,661.79 = 31,435.61/x
  3. Step 3: Cross multiply
    52,664.09x = 72,661.79 × 31,435.61
  4. Step 4: Simplify right side
    52,664.09x = 2,284,167,407.62
  5. Step 5: Solve for x
    x = 2,284,167,407.62/52,664.09
  6. Step 6: Final answer
    x = 43,372.39

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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.