Home / 67,128.02-100,712.04-27,687.50

Finding the Fourth Proportional to 67,128.02, 100,712.04 and 27,687.50

Calculator

Solution

The fourth proportional to 67,128.02, 100,712.04 and 27,687.50 is: 41,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,128.02 : 100,712.04 = 27,687.50 : x
  2. Step 2: Convert to fraction form
    67,128.02/100,712.04 = 27,687.50/x
  3. Step 3: Cross multiply
    67,128.02x = 100,712.04 × 27,687.50
  4. Step 4: Simplify right side
    67,128.02x = 2,788,464,607.50
  5. Step 5: Solve for x
    x = 2,788,464,607.50/67,128.02
  6. Step 6: Final answer
    x = 41,539.50

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.