Home / 78,997.53-109,016.58-43,187.53

Finding the Fourth Proportional to 78,997.53, 109,016.58 and 43,187.53

Calculator

Solution

The fourth proportional to 78,997.53, 109,016.58 and 43,187.53 is: 59,598.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,997.53 : 109,016.58 = 43,187.53 : x
  2. Step 2: Convert to fraction form
    78,997.53/109,016.58 = 43,187.53/x
  3. Step 3: Cross multiply
    78,997.53x = 109,016.58 × 43,187.53
  4. Step 4: Simplify right side
    78,997.53x = 4,708,156,819.25
  5. Step 5: Solve for x
    x = 4,708,156,819.25/78,997.53
  6. Step 6: Final answer
    x = 59,598.79

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.