Home / 82,639.08-123,969.84-30,063.60

Finding the Fourth Proportional to 82,639.08, 123,969.84 and 30,063.60

Calculator

Solution

The fourth proportional to 82,639.08, 123,969.84 and 30,063.60 is: 45,099.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,639.08 : 123,969.84 = 30,063.60 : x
  2. Step 2: Convert to fraction form
    82,639.08/123,969.84 = 30,063.60/x
  3. Step 3: Cross multiply
    82,639.08x = 123,969.84 × 30,063.60
  4. Step 4: Simplify right side
    82,639.08x = 3,726,979,681.82
  5. Step 5: Solve for x
    x = 3,726,979,681.82/82,639.08
  6. Step 6: Final answer
    x = 45,099.48

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.