Home / 57,272.60-85,763.10-54,648.20

Finding the Fourth Proportional to 57,272.60, 85,763.10 and 54,648.20

Calculator

Solution

The fourth proportional to 57,272.60, 85,763.10 and 54,648.20 is: 81,833.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,272.60 : 85,763.10 = 54,648.20 : x
  2. Step 2: Convert to fraction form
    57,272.60/85,763.10 = 54,648.20/x
  3. Step 3: Cross multiply
    57,272.60x = 85,763.10 × 54,648.20
  4. Step 4: Simplify right side
    57,272.60x = 4,686,799,041.42
  5. Step 5: Solve for x
    x = 4,686,799,041.42/57,272.60
  6. Step 6: Final answer
    x = 81,833.18

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.