Home / 78,461.22-108,276.56-42,651.23

Finding the Fourth Proportional to 78,461.22, 108,276.56 and 42,651.23

Calculator

Solution

The fourth proportional to 78,461.22, 108,276.56 and 42,651.23 is: 58,858.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,461.22 : 108,276.56 = 42,651.23 : x
  2. Step 2: Convert to fraction form
    78,461.22/108,276.56 = 42,651.23/x
  3. Step 3: Cross multiply
    78,461.22x = 108,276.56 × 42,651.23
  4. Step 4: Simplify right side
    78,461.22x = 4,618,128,464.17
  5. Step 5: Solve for x
    x = 4,618,128,464.17/78,461.22
  6. Step 6: Final answer
    x = 58,858.74

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.