Home / 79,828.27-110,121.79-49,602.11

Finding the Fourth Proportional to 79,828.27, 110,121.79 and 49,602.11

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Solution

The fourth proportional to 79,828.27, 110,121.79 and 49,602.11 is: 68,425.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,828.27 : 110,121.79 = 49,602.11 : x
  2. Step 2: Convert to fraction form
    79,828.27/110,121.79 = 49,602.11/x
  3. Step 3: Cross multiply
    79,828.27x = 110,121.79 × 49,602.11
  4. Step 4: Simplify right side
    79,828.27x = 5,462,272,879.32
  5. Step 5: Solve for x
    x = 5,462,272,879.32/79,828.27
  6. Step 6: Final answer
    x = 68,425.29

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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.