Home / 53,141.66-79,717.89-18,083.78

Finding the Fourth Proportional to 53,141.66, 79,717.89 and 18,083.78

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Solution

The fourth proportional to 53,141.66, 79,717.89 and 18,083.78 is: 27,127.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,141.66 : 79,717.89 = 18,083.78 : x
  2. Step 2: Convert to fraction form
    53,141.66/79,717.89 = 18,083.78/x
  3. Step 3: Cross multiply
    53,141.66x = 79,717.89 × 18,083.78
  4. Step 4: Simplify right side
    53,141.66x = 1,441,600,784.82
  5. Step 5: Solve for x
    x = 1,441,600,784.82/53,141.66
  6. Step 6: Final answer
    x = 27,127.51

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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.