Home / 67,276.40-100,828.20-40,953.20

Finding the Fourth Proportional to 67,276.40, 100,828.20 and 40,953.20

Calculator

Solution

The fourth proportional to 67,276.40, 100,828.20 and 40,953.20 is: 61,377.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,276.40 : 100,828.20 = 40,953.20 : x
  2. Step 2: Convert to fraction form
    67,276.40/100,828.20 = 40,953.20/x
  3. Step 3: Cross multiply
    67,276.40x = 100,828.20 × 40,953.20
  4. Step 4: Simplify right side
    67,276.40x = 4,129,237,440.24
  5. Step 5: Solve for x
    x = 4,129,237,440.24/67,276.40
  6. Step 6: Final answer
    x = 61,377.21

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.