Home / 55,612.67-76,745.09-30,118.44

Finding the Fourth Proportional to 55,612.67, 76,745.09 and 30,118.44

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Solution

The fourth proportional to 55,612.67, 76,745.09 and 30,118.44 is: 41,563.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,612.67 : 76,745.09 = 30,118.44 : x
  2. Step 2: Convert to fraction form
    55,612.67/76,745.09 = 30,118.44/x
  3. Step 3: Cross multiply
    55,612.67x = 76,745.09 × 30,118.44
  4. Step 4: Simplify right side
    55,612.67x = 2,311,442,463.76
  5. Step 5: Solve for x
    x = 2,311,442,463.76/55,612.67
  6. Step 6: Final answer
    x = 41,563.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.