Home / 112,391.14-168,669.67-53,226.72

Finding the Fourth Proportional to 112,391.14, 168,669.67 and 53,226.72

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Solution

The fourth proportional to 112,391.14, 168,669.67 and 53,226.72 is: 79,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,391.14 : 168,669.67 = 53,226.72 : x
  2. Step 2: Convert to fraction form
    112,391.14/168,669.67 = 53,226.72/x
  3. Step 3: Cross multiply
    112,391.14x = 168,669.67 × 53,226.72
  4. Step 4: Simplify right side
    112,391.14x = 8,977,733,297.58
  5. Step 5: Solve for x
    x = 8,977,733,297.58/112,391.14
  6. Step 6: Final answer
    x = 79,879.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.