Home / 76,620.60-114,930.90-39,166.20

Finding the Fourth Proportional to 76,620.60, 114,930.90 and 39,166.20

Calculator

Solution

The fourth proportional to 76,620.60, 114,930.90 and 39,166.20 is: 58,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,620.60 : 114,930.90 = 39,166.20 : x
  2. Step 2: Convert to fraction form
    76,620.60/114,930.90 = 39,166.20/x
  3. Step 3: Cross multiply
    76,620.60x = 114,930.90 × 39,166.20
  4. Step 4: Simplify right side
    76,620.60x = 4,501,406,615.58
  5. Step 5: Solve for x
    x = 4,501,406,615.58/76,620.60
  6. Step 6: Final answer
    x = 58,749.30

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.