Home / 85,321.70-117,737.46-47,082.77

Finding the Fourth Proportional to 85,321.70, 117,737.46 and 47,082.77

Calculator

Solution

The fourth proportional to 85,321.70, 117,737.46 and 47,082.77 is: 64,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,321.70 : 117,737.46 = 47,082.77 : x
  2. Step 2: Convert to fraction form
    85,321.70/117,737.46 = 47,082.77/x
  3. Step 3: Cross multiply
    85,321.70x = 117,737.46 × 47,082.77
  4. Step 4: Simplify right side
    85,321.70x = 5,543,405,749.56
  5. Step 5: Solve for x
    x = 5,543,405,749.56/85,321.70
  6. Step 6: Final answer
    x = 64,970.64

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.