Home / 86,942.22-119,923.11-68,046.54

Finding the Fourth Proportional to 86,942.22, 119,923.11 and 68,046.54

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Solution

The fourth proportional to 86,942.22, 119,923.11 and 68,046.54 is: 93,859.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,942.22 : 119,923.11 = 68,046.54 : x
  2. Step 2: Convert to fraction form
    86,942.22/119,923.11 = 68,046.54/x
  3. Step 3: Cross multiply
    86,942.22x = 119,923.11 × 68,046.54
  4. Step 4: Simplify right side
    86,942.22x = 8,160,352,701.54
  5. Step 5: Solve for x
    x = 8,160,352,701.54/86,942.22
  6. Step 6: Final answer
    x = 93,859.49

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1.5x scale

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.