Home / 86,319.73-119,121.18-50,516.56

Finding the Fourth Proportional to 86,319.73, 119,121.18 and 50,516.56

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Solution

The fourth proportional to 86,319.73, 119,121.18 and 50,516.56 is: 69,712.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,319.73 : 119,121.18 = 50,516.56 : x
  2. Step 2: Convert to fraction form
    86,319.73/119,121.18 = 50,516.56/x
  3. Step 3: Cross multiply
    86,319.73x = 119,121.18 × 50,516.56
  4. Step 4: Simplify right side
    86,319.73x = 6,017,592,480.36
  5. Step 5: Solve for x
    x = 6,017,592,480.36/86,319.73
  6. Step 6: Final answer
    x = 69,712.83

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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.