Home / 86,947.96-119,992.67-48,705.27

Finding the Fourth Proportional to 86,947.96, 119,992.67 and 48,705.27

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Solution

The fourth proportional to 86,947.96, 119,992.67 and 48,705.27 is: 67,215.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,947.96 : 119,992.67 = 48,705.27 : x
  2. Step 2: Convert to fraction form
    86,947.96/119,992.67 = 48,705.27/x
  3. Step 3: Cross multiply
    86,947.96x = 119,992.67 × 48,705.27
  4. Step 4: Simplify right side
    86,947.96x = 5,844,275,390.37
  5. Step 5: Solve for x
    x = 5,844,275,390.37/86,947.96
  6. Step 6: Final answer
    x = 67,215.79

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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.