Home / 86,744.29-119,705.56-49,017.73

Finding the Fourth Proportional to 86,744.29, 119,705.56 and 49,017.73

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Solution

The fourth proportional to 86,744.29, 119,705.56 and 49,017.73 is: 67,643.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,744.29 : 119,705.56 = 49,017.73 : x
  2. Step 2: Convert to fraction form
    86,744.29/119,705.56 = 49,017.73/x
  3. Step 3: Cross multiply
    86,744.29x = 119,705.56 × 49,017.73
  4. Step 4: Simplify right side
    86,744.29x = 5,867,694,819.58
  5. Step 5: Solve for x
    x = 5,867,694,819.58/86,744.29
  6. Step 6: Final answer
    x = 67,643.59

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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.