Home / 46,745.22-70,145.57-18,678.51

Finding the Fourth Proportional to 46,745.22, 70,145.57 and 18,678.51

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Solution

The fourth proportional to 46,745.22, 70,145.57 and 18,678.51 is: 28,028.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,745.22 : 70,145.57 = 18,678.51 : x
  2. Step 2: Convert to fraction form
    46,745.22/70,145.57 = 18,678.51/x
  3. Step 3: Cross multiply
    46,745.22x = 70,145.57 × 18,678.51
  4. Step 4: Simplify right side
    46,745.22x = 1,310,214,812.67
  5. Step 5: Solve for x
    x = 1,310,214,812.67/46,745.22
  6. Step 6: Final answer
    x = 28,028.85

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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.