Home / 85,307.88-117,723.78-47,582.76

Finding the Fourth Proportional to 85,307.88, 117,723.78 and 47,582.76

Calculator

Solution

The fourth proportional to 85,307.88, 117,723.78 and 47,582.76 is: 65,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,307.88 : 117,723.78 = 47,582.76 : x
  2. Step 2: Convert to fraction form
    85,307.88/117,723.78 = 47,582.76/x
  3. Step 3: Cross multiply
    85,307.88x = 117,723.78 × 47,582.76
  4. Step 4: Simplify right side
    85,307.88x = 5,601,622,370.03
  5. Step 5: Solve for x
    x = 5,601,622,370.03/85,307.88
  6. Step 6: Final answer
    x = 65,663.60

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.