Home / 89,674.38-123,745.86-51,431.94

Finding the Fourth Proportional to 89,674.38, 123,745.86 and 51,431.94

Calculator

Solution

The fourth proportional to 89,674.38, 123,745.86 and 51,431.94 is: 70,973.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,674.38 : 123,745.86 = 51,431.94 : x
  2. Step 2: Convert to fraction form
    89,674.38/123,745.86 = 51,431.94/x
  3. Step 3: Cross multiply
    89,674.38x = 123,745.86 × 51,431.94
  4. Step 4: Simplify right side
    89,674.38x = 6,364,489,646.77
  5. Step 5: Solve for x
    x = 6,364,489,646.77/89,674.38
  6. Step 6: Final answer
    x = 70,973.33

Related Problems

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.