Home / 78,823.38-108,774.81-43,012.47

Finding the Fourth Proportional to 78,823.38, 108,774.81 and 43,012.47

Calculator

Solution

The fourth proportional to 78,823.38, 108,774.81 and 43,012.47 is: 59,356.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,823.38 : 108,774.81 = 43,012.47 : x
  2. Step 2: Convert to fraction form
    78,823.38/108,774.81 = 43,012.47/x
  3. Step 3: Cross multiply
    78,823.38x = 108,774.81 × 43,012.47
  4. Step 4: Simplify right side
    78,823.38x = 4,678,673,251.88
  5. Step 5: Solve for x
    x = 4,678,673,251.88/78,823.38
  6. Step 6: Final answer
    x = 59,356.41

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.