Home / 81,447.23-122,085.59-34,089.45

Finding the Fourth Proportional to 81,447.23, 122,085.59 and 34,089.45

Calculator

Solution

The fourth proportional to 81,447.23, 122,085.59 and 34,089.45 is: 51,098.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,447.23 : 122,085.59 = 34,089.45 : x
  2. Step 2: Convert to fraction form
    81,447.23/122,085.59 = 34,089.45/x
  3. Step 3: Cross multiply
    81,447.23x = 122,085.59 × 34,089.45
  4. Step 4: Simplify right side
    81,447.23x = 4,161,830,445.58
  5. Step 5: Solve for x
    x = 4,161,830,445.58/81,447.23
  6. Step 6: Final answer
    x = 51,098.49

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.