Home / 82,128.75-113,296.92-53,047.11

Finding the Fourth Proportional to 82,128.75, 113,296.92 and 53,047.11

Calculator

Solution

The fourth proportional to 82,128.75, 113,296.92 and 53,047.11 is: 73,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,128.75 : 113,296.92 = 53,047.11 : x
  2. Step 2: Convert to fraction form
    82,128.75/113,296.92 = 53,047.11/x
  3. Step 3: Cross multiply
    82,128.75x = 113,296.92 × 53,047.11
  4. Step 4: Simplify right side
    82,128.75x = 6,010,074,177.90
  5. Step 5: Solve for x
    x = 6,010,074,177.90/82,128.75
  6. Step 6: Final answer
    x = 73,178.69

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.