Home / 61.83-92.31-59.69

Finding the Fourth Proportional to 61.83, 92.31 and 59.69

Calculator

Solution

The fourth proportional to 61.83, 92.31 and 59.69 is: 89.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.83 : 92.31 = 59.69 : x
  2. Step 2: Convert to fraction form
    61.83/92.31 = 59.69/x
  3. Step 3: Cross multiply
    61.83x = 92.31 × 59.69
  4. Step 4: Simplify right side
    61.83x = 5,509.47
  5. Step 5: Solve for x
    x = 5,509.47/61.83
  6. Step 6: Final answer
    x = 89.11

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.