Home / 78,767.56-118,116.78-29,485

Finding the Fourth Proportional to 78,767.56, 118,116.78 and 29,485

Calculator

Solution

The fourth proportional to 78,767.56, 118,116.78 and 29,485 is: 44,214.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,767.56 : 118,116.78 = 29,485 : x
  2. Step 2: Convert to fraction form
    78,767.56/118,116.78 = 29,485/x
  3. Step 3: Cross multiply
    78,767.56x = 118,116.78 × 29,485
  4. Step 4: Simplify right side
    78,767.56x = 3,482,673,258.30
  5. Step 5: Solve for x
    x = 3,482,673,258.30/78,767.56
  6. Step 6: Final answer
    x = 44,214.56

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.