Home / 86,286.90-119,052.68-50,485.71

Finding the Fourth Proportional to 86,286.90, 119,052.68 and 50,485.71

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Solution

The fourth proportional to 86,286.90, 119,052.68 and 50,485.71 is: 69,656.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,286.90 : 119,052.68 = 50,485.71 : x
  2. Step 2: Convert to fraction form
    86,286.90/119,052.68 = 50,485.71/x
  3. Step 3: Cross multiply
    86,286.90x = 119,052.68 × 50,485.71
  4. Step 4: Simplify right side
    86,286.90x = 6,010,458,824.77
  5. Step 5: Solve for x
    x = 6,010,458,824.77/86,286.90
  6. Step 6: Final answer
    x = 69,656.68

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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.