Home / 78,845.57-108,805.15-43,036.18

Finding the Fourth Proportional to 78,845.57, 108,805.15 and 43,036.18

Calculator

Solution

The fourth proportional to 78,845.57, 108,805.15 and 43,036.18 is: 59,388.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,845.57 : 108,805.15 = 43,036.18 : x
  2. Step 2: Convert to fraction form
    78,845.57/108,805.15 = 43,036.18/x
  3. Step 3: Cross multiply
    78,845.57x = 108,805.15 × 43,036.18
  4. Step 4: Simplify right side
    78,845.57x = 4,682,557,802.11
  5. Step 5: Solve for x
    x = 4,682,557,802.11/78,845.57
  6. Step 6: Final answer
    x = 59,388.98

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.