Home / 76.47-114.04-65.13

Finding the Fourth Proportional to 76.47, 114.04 and 65.13

Calculator

Solution

The fourth proportional to 76.47, 114.04 and 65.13 is: 97.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76.47 : 114.04 = 65.13 : x
  2. Step 2: Convert to fraction form
    76.47/114.04 = 65.13/x
  3. Step 3: Cross multiply
    76.47x = 114.04 × 65.13
  4. Step 4: Simplify right side
    76.47x = 7,427.43
  5. Step 5: Solve for x
    x = 7,427.43/76.47
  6. Step 6: Final answer
    x = 97.13

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.