Home / 86,574.15-129,844.82-30,401.06

Finding the Fourth Proportional to 86,574.15, 129,844.82 and 30,401.06

Calculator

Solution

The fourth proportional to 86,574.15, 129,844.82 and 30,401.06 is: 45,595.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,574.15 : 129,844.82 = 30,401.06 : x
  2. Step 2: Convert to fraction form
    86,574.15/129,844.82 = 30,401.06/x
  3. Step 3: Cross multiply
    86,574.15x = 129,844.82 × 30,401.06
  4. Step 4: Simplify right side
    86,574.15x = 3,947,419,362.28
  5. Step 5: Solve for x
    x = 3,947,419,362.28/86,574.15
  6. Step 6: Final answer
    x = 45,595.82

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.