Home / 81,983.30-123,032.55-35,269.70

Finding the Fourth Proportional to 81,983.30, 123,032.55 and 35,269.70

Calculator

Solution

The fourth proportional to 81,983.30, 123,032.55 and 35,269.70 is: 52,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,983.30 : 123,032.55 = 35,269.70 : x
  2. Step 2: Convert to fraction form
    81,983.30/123,032.55 = 35,269.70/x
  3. Step 3: Cross multiply
    81,983.30x = 123,032.55 × 35,269.70
  4. Step 4: Simplify right side
    81,983.30x = 4,339,321,128.74
  5. Step 5: Solve for x
    x = 4,339,321,128.74/81,983.30
  6. Step 6: Final answer
    x = 52,929.33

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.