Home / 40,745.03-61,117.59-11,163.12

Finding the Fourth Proportional to 40,745.03, 61,117.59 and 11,163.12

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Solution

The fourth proportional to 40,745.03, 61,117.59 and 11,163.12 is: 16,744.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,745.03 : 61,117.59 = 11,163.12 : x
  2. Step 2: Convert to fraction form
    40,745.03/61,117.59 = 11,163.12/x
  3. Step 3: Cross multiply
    40,745.03x = 61,117.59 × 11,163.12
  4. Step 4: Simplify right side
    40,745.03x = 682,262,991.28
  5. Step 5: Solve for x
    x = 682,262,991.28/40,745.03
  6. Step 6: Final answer
    x = 16,744.69

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1.5x scale

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.