Home / 55,172.08-82,708.90-45,888.26

Finding the Fourth Proportional to 55,172.08, 82,708.90 and 45,888.26

Calculator

Solution

The fourth proportional to 55,172.08, 82,708.90 and 45,888.26 is: 68,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,172.08 : 82,708.90 = 45,888.26 : x
  2. Step 2: Convert to fraction form
    55,172.08/82,708.90 = 45,888.26/x
  3. Step 3: Cross multiply
    55,172.08x = 82,708.90 × 45,888.26
  4. Step 4: Simplify right side
    55,172.08x = 3,795,367,507.51
  5. Step 5: Solve for x
    x = 3,795,367,507.51/55,172.08
  6. Step 6: Final answer
    x = 68,791.45

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.