Home / 86,418.38-119,257.43-46,674.38

Finding the Fourth Proportional to 86,418.38, 119,257.43 and 46,674.38

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Solution

The fourth proportional to 86,418.38, 119,257.43 and 46,674.38 is: 64,410.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,418.38 : 119,257.43 = 46,674.38 : x
  2. Step 2: Convert to fraction form
    86,418.38/119,257.43 = 46,674.38/x
  3. Step 3: Cross multiply
    86,418.38x = 119,257.43 × 46,674.38
  4. Step 4: Simplify right side
    86,418.38x = 5,566,265,775.98
  5. Step 5: Solve for x
    x = 5,566,265,775.98/86,418.38
  6. Step 6: Final answer
    x = 64,410.67

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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.