Home / 85,757.83-128,636.79-35,810.71

Finding the Fourth Proportional to 85,757.83, 128,636.79 and 35,810.71

Calculator

Solution

The fourth proportional to 85,757.83, 128,636.79 and 35,810.71 is: 53,716.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,757.83 : 128,636.79 = 35,810.71 : x
  2. Step 2: Convert to fraction form
    85,757.83/128,636.79 = 35,810.71/x
  3. Step 3: Cross multiply
    85,757.83x = 128,636.79 × 35,810.71
  4. Step 4: Simplify right side
    85,757.83x = 4,606,574,782.02
  5. Step 5: Solve for x
    x = 4,606,574,782.02/85,757.83
  6. Step 6: Final answer
    x = 53,716.08

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.