Home / 120,093.14-179,890.49-70,021.37

Finding the Fourth Proportional to 120,093.14, 179,890.49 and 70,021.37

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Solution

The fourth proportional to 120,093.14, 179,890.49 and 70,021.37 is: 104,886.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,093.14 : 179,890.49 = 70,021.37 : x
  2. Step 2: Convert to fraction form
    120,093.14/179,890.49 = 70,021.37/x
  3. Step 3: Cross multiply
    120,093.14x = 179,890.49 × 70,021.37
  4. Step 4: Simplify right side
    120,093.14x = 12,596,177,310.21
  5. Step 5: Solve for x
    x = 12,596,177,310.21/120,093.14
  6. Step 6: Final answer
    x = 104,886.74

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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.