Home / 53,176.91-79,796.37-19,920.33

Finding the Fourth Proportional to 53,176.91, 79,796.37 and 19,920.33

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Solution

The fourth proportional to 53,176.91, 79,796.37 and 19,920.33 is: 29,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,176.91 : 79,796.37 = 19,920.33 : x
  2. Step 2: Convert to fraction form
    53,176.91/79,796.37 = 19,920.33/x
  3. Step 3: Cross multiply
    53,176.91x = 79,796.37 × 19,920.33
  4. Step 4: Simplify right side
    53,176.91x = 1,589,569,929.83
  5. Step 5: Solve for x
    x = 1,589,569,929.83/53,176.91
  6. Step 6: Final answer
    x = 29,892.11

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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.