Home / 76,689.87-115,052.08-23,386.56

Finding the Fourth Proportional to 76,689.87, 115,052.08 and 23,386.56

Calculator

Solution

The fourth proportional to 76,689.87, 115,052.08 and 23,386.56 is: 35,085.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,689.87 : 115,052.08 = 23,386.56 : x
  2. Step 2: Convert to fraction form
    76,689.87/115,052.08 = 23,386.56/x
  3. Step 3: Cross multiply
    76,689.87x = 115,052.08 × 23,386.56
  4. Step 4: Simplify right side
    76,689.87x = 2,690,672,372.04
  5. Step 5: Solve for x
    x = 2,690,672,372.04/76,689.87
  6. Step 6: Final answer
    x = 35,085.11

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.