Home / 76,540.05-114,730.74-55,427.31

Finding the Fourth Proportional to 76,540.05, 114,730.74 and 55,427.31

Calculator

Solution

The fourth proportional to 76,540.05, 114,730.74 and 55,427.31 is: 83,083.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,540.05 : 114,730.74 = 55,427.31 : x
  2. Step 2: Convert to fraction form
    76,540.05/114,730.74 = 55,427.31/x
  3. Step 3: Cross multiply
    76,540.05x = 114,730.74 × 55,427.31
  4. Step 4: Simplify right side
    76,540.05x = 6,359,216,292.51
  5. Step 5: Solve for x
    x = 6,359,216,292.51/76,540.05
  6. Step 6: Final answer
    x = 83,083.51

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.