Home / 88,678.23-122,379.94-49,929.39

Finding the Fourth Proportional to 88,678.23, 122,379.94 and 49,929.39

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Solution

The fourth proportional to 88,678.23, 122,379.94 and 49,929.39 is: 68,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,678.23 : 122,379.94 = 49,929.39 : x
  2. Step 2: Convert to fraction form
    88,678.23/122,379.94 = 49,929.39/x
  3. Step 3: Cross multiply
    88,678.23x = 122,379.94 × 49,929.39
  4. Step 4: Simplify right side
    88,678.23x = 6,110,355,843.64
  5. Step 5: Solve for x
    x = 6,110,355,843.64/88,678.23
  6. Step 6: Final answer
    x = 68,904.80

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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.