Home / 76.74-115.02-44.70

Finding the Fourth Proportional to 76.74, 115.02 and 44.70

Calculator

Solution

The fourth proportional to 76.74, 115.02 and 44.70 is: 67.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76.74 : 115.02 = 44.70 : x
  2. Step 2: Convert to fraction form
    76.74/115.02 = 44.70/x
  3. Step 3: Cross multiply
    76.74x = 115.02 × 44.70
  4. Step 4: Simplify right side
    76.74x = 5,141.39
  5. Step 5: Solve for x
    x = 5,141.39/76.74
  6. Step 6: Final answer
    x = 67.00

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.