Home / 83,665.83-115,458.85-45,940.08

Finding the Fourth Proportional to 83,665.83, 115,458.85 and 45,940.08

Calculator

Solution

The fourth proportional to 83,665.83, 115,458.85 and 45,940.08 is: 63,397.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,665.83 : 115,458.85 = 45,940.08 : x
  2. Step 2: Convert to fraction form
    83,665.83/115,458.85 = 45,940.08/x
  3. Step 3: Cross multiply
    83,665.83x = 115,458.85 × 45,940.08
  4. Step 4: Simplify right side
    83,665.83x = 5,304,189,296.10
  5. Step 5: Solve for x
    x = 5,304,189,296.10/83,665.83
  6. Step 6: Final answer
    x = 63,397.32

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.