Home / 55,745.20-76,883.34-49,016.80

Finding the Fourth Proportional to 55,745.20, 76,883.34 and 49,016.80

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Solution

The fourth proportional to 55,745.20, 76,883.34 and 49,016.80 is: 67,603.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,745.20 : 76,883.34 = 49,016.80 : x
  2. Step 2: Convert to fraction form
    55,745.20/76,883.34 = 49,016.80/x
  3. Step 3: Cross multiply
    55,745.20x = 76,883.34 × 49,016.80
  4. Step 4: Simplify right side
    55,745.20x = 3,768,575,300.11
  5. Step 5: Solve for x
    x = 3,768,575,300.11/55,745.20
  6. Step 6: Final answer
    x = 67,603.58

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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.