Home / 54,889.67-75,745.82-31,015.83

Finding the Fourth Proportional to 54,889.67, 75,745.82 and 31,015.83

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Solution

The fourth proportional to 54,889.67, 75,745.82 and 31,015.83 is: 42,800.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,889.67 : 75,745.82 = 31,015.83 : x
  2. Step 2: Convert to fraction form
    54,889.67/75,745.82 = 31,015.83/x
  3. Step 3: Cross multiply
    54,889.67x = 75,745.82 × 31,015.83
  4. Step 4: Simplify right side
    54,889.67x = 2,349,319,321.25
  5. Step 5: Solve for x
    x = 2,349,319,321.25/54,889.67
  6. Step 6: Final answer
    x = 42,800.76

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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.