Home / 82,756.26-124,023.69-30,115.98

Finding the Fourth Proportional to 82,756.26, 124,023.69 and 30,115.98

Calculator

Solution

The fourth proportional to 82,756.26, 124,023.69 and 30,115.98 is: 45,133.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,756.26 : 124,023.69 = 30,115.98 : x
  2. Step 2: Convert to fraction form
    82,756.26/124,023.69 = 30,115.98/x
  3. Step 3: Cross multiply
    82,756.26x = 124,023.69 × 30,115.98
  4. Step 4: Simplify right side
    82,756.26x = 3,735,094,967.57
  5. Step 5: Solve for x
    x = 3,735,094,967.57/82,756.26
  6. Step 6: Final answer
    x = 45,133.68

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.