Home / 89,471.71-123,471.21-49,189.60

Finding the Fourth Proportional to 89,471.71, 123,471.21 and 49,189.60

Calculator

Solution

The fourth proportional to 89,471.71, 123,471.21 and 49,189.60 is: 67,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,471.71 : 123,471.21 = 49,189.60 : x
  2. Step 2: Convert to fraction form
    89,471.71/123,471.21 = 49,189.60/x
  3. Step 3: Cross multiply
    89,471.71x = 123,471.21 × 49,189.60
  4. Step 4: Simplify right side
    89,471.71x = 6,073,499,431.42
  5. Step 5: Solve for x
    x = 6,073,499,431.42/89,471.71
  6. Step 6: Final answer
    x = 67,881.79

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.