Home / 85,974.15-128,961.23-46,608.15

Finding the Fourth Proportional to 85,974.15, 128,961.23 and 46,608.15

Calculator

Solution

The fourth proportional to 85,974.15, 128,961.23 and 46,608.15 is: 69,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,974.15 : 128,961.23 = 46,608.15 : x
  2. Step 2: Convert to fraction form
    85,974.15/128,961.23 = 46,608.15/x
  3. Step 3: Cross multiply
    85,974.15x = 128,961.23 × 46,608.15
  4. Step 4: Simplify right side
    85,974.15x = 6,010,644,118.98
  5. Step 5: Solve for x
    x = 6,010,644,118.98/85,974.15
  6. Step 6: Final answer
    x = 69,912.23

Related Problems

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.