Home / 61.01-91.61-57.96

Finding the Fourth Proportional to 61.01, 91.61 and 57.96

Calculator

Solution

The fourth proportional to 61.01, 91.61 and 57.96 is: 87.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.01 : 91.61 = 57.96 : x
  2. Step 2: Convert to fraction form
    61.01/91.61 = 57.96/x
  3. Step 3: Cross multiply
    61.01x = 91.61 × 57.96
  4. Step 4: Simplify right side
    61.01x = 5,309.72
  5. Step 5: Solve for x
    x = 5,309.72/61.01
  6. Step 6: Final answer
    x = 87.03

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.