Home / 81,458.84-112,414.56-45,656.84

Finding the Fourth Proportional to 81,458.84, 112,414.56 and 45,656.84

Calculator

Solution

The fourth proportional to 81,458.84, 112,414.56 and 45,656.84 is: 63,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,458.84 : 112,414.56 = 45,656.84 : x
  2. Step 2: Convert to fraction form
    81,458.84/112,414.56 = 45,656.84/x
  3. Step 3: Cross multiply
    81,458.84x = 112,414.56 × 45,656.84
  4. Step 4: Simplify right side
    81,458.84x = 5,132,493,579.59
  5. Step 5: Solve for x
    x = 5,132,493,579.59/81,458.84
  6. Step 6: Final answer
    x = 63,007.20

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.