Home / 86,800.06-119,796.84-54,971.92

Finding the Fourth Proportional to 86,800.06, 119,796.84 and 54,971.92

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Solution

The fourth proportional to 86,800.06, 119,796.84 and 54,971.92 is: 75,869.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,800.06 : 119,796.84 = 54,971.92 : x
  2. Step 2: Convert to fraction form
    86,800.06/119,796.84 = 54,971.92/x
  3. Step 3: Cross multiply
    86,800.06x = 119,796.84 × 54,971.92
  4. Step 4: Simplify right side
    86,800.06x = 6,585,462,304.73
  5. Step 5: Solve for x
    x = 6,585,462,304.73/86,800.06
  6. Step 6: Final answer
    x = 75,869.33

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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.