Home / 70,130.81-96,716.40-54,819.38

Finding the Fourth Proportional to 70,130.81, 96,716.40 and 54,819.38

Calculator

Solution

The fourth proportional to 70,130.81, 96,716.40 and 54,819.38 is: 75,600.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,130.81 : 96,716.40 = 54,819.38 : x
  2. Step 2: Convert to fraction form
    70,130.81/96,716.40 = 54,819.38/x
  3. Step 3: Cross multiply
    70,130.81x = 96,716.40 × 54,819.38
  4. Step 4: Simplify right side
    70,130.81x = 5,301,932,600.25
  5. Step 5: Solve for x
    x = 5,301,932,600.25/70,130.81
  6. Step 6: Final answer
    x = 75,600.62

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.