Home / 82,520.08-123,760.28-38,104.16

Finding the Fourth Proportional to 82,520.08, 123,760.28 and 38,104.16

Calculator

Solution

The fourth proportional to 82,520.08, 123,760.28 and 38,104.16 is: 57,147.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,520.08 : 123,760.28 = 38,104.16 : x
  2. Step 2: Convert to fraction form
    82,520.08/123,760.28 = 38,104.16/x
  3. Step 3: Cross multiply
    82,520.08x = 123,760.28 × 38,104.16
  4. Step 4: Simplify right side
    82,520.08x = 4,715,781,510.76
  5. Step 5: Solve for x
    x = 4,715,781,510.76/82,520.08
  6. Step 6: Final answer
    x = 57,147.08

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.