Home / 81,047.68-111,897.16-55,596.68

Finding the Fourth Proportional to 81,047.68, 111,897.16 and 55,596.68

Calculator

Solution

The fourth proportional to 81,047.68, 111,897.16 and 55,596.68 is: 76,758.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,047.68 : 111,897.16 = 55,596.68 : x
  2. Step 2: Convert to fraction form
    81,047.68/111,897.16 = 55,596.68/x
  3. Step 3: Cross multiply
    81,047.68x = 111,897.16 × 55,596.68
  4. Step 4: Simplify right side
    81,047.68x = 6,221,110,597.43
  5. Step 5: Solve for x
    x = 6,221,110,597.43/81,047.68
  6. Step 6: Final answer
    x = 76,758.65

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.