Home / 57,415.60-86,123.40-53,268.40

Finding the Fourth Proportional to 57,415.60, 86,123.40 and 53,268.40

Calculator

Solution

The fourth proportional to 57,415.60, 86,123.40 and 53,268.40 is: 79,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,415.60 : 86,123.40 = 53,268.40 : x
  2. Step 2: Convert to fraction form
    57,415.60/86,123.40 = 53,268.40/x
  3. Step 3: Cross multiply
    57,415.60x = 86,123.40 × 53,268.40
  4. Step 4: Simplify right side
    57,415.60x = 4,587,655,720.56
  5. Step 5: Solve for x
    x = 4,587,655,720.56/57,415.60
  6. Step 6: Final answer
    x = 79,902.60

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.