Home / 88,842.39-122,590.68-57,054.36

Finding the Fourth Proportional to 88,842.39, 122,590.68 and 57,054.36

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Solution

The fourth proportional to 88,842.39, 122,590.68 and 57,054.36 is: 78,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,842.39 : 122,590.68 = 57,054.36 : x
  2. Step 2: Convert to fraction form
    88,842.39/122,590.68 = 57,054.36/x
  3. Step 3: Cross multiply
    88,842.39x = 122,590.68 × 57,054.36
  4. Step 4: Simplify right side
    88,842.39x = 6,994,332,789.36
  5. Step 5: Solve for x
    x = 6,994,332,789.36/88,842.39
  6. Step 6: Final answer
    x = 78,727.43

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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.