Home / 79,699.88-109,988.10-43,892.42

Finding the Fourth Proportional to 79,699.88, 109,988.10 and 43,892.42

Calculator

Solution

The fourth proportional to 79,699.88, 109,988.10 and 43,892.42 is: 60,572.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,699.88 : 109,988.10 = 43,892.42 : x
  2. Step 2: Convert to fraction form
    79,699.88/109,988.10 = 43,892.42/x
  3. Step 3: Cross multiply
    79,699.88x = 109,988.10 × 43,892.42
  4. Step 4: Simplify right side
    79,699.88x = 4,827,643,880.20
  5. Step 5: Solve for x
    x = 4,827,643,880.20/79,699.88
  6. Step 6: Final answer
    x = 60,572.79

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.