Home / 103,633.22-155,246.44-53,745.93

Finding the Fourth Proportional to 103,633.22, 155,246.44 and 53,745.93

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Solution

The fourth proportional to 103,633.22, 155,246.44 and 53,745.93 is: 80,513.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633.22 : 155,246.44 = 53,745.93 : x
  2. Step 2: Convert to fraction form
    103,633.22/155,246.44 = 53,745.93/x
  3. Step 3: Cross multiply
    103,633.22x = 155,246.44 × 53,745.93
  4. Step 4: Simplify right side
    103,633.22x = 8,343,864,296.99
  5. Step 5: Solve for x
    x = 8,343,864,296.99/103,633.22
  6. Step 6: Final answer
    x = 80,513.41

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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.