Home / 78,055.34-117,129.72-33,682.10

Finding the Fourth Proportional to 78,055.34, 117,129.72 and 33,682.10

Calculator

Solution

The fourth proportional to 78,055.34, 117,129.72 and 33,682.10 is: 50,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,055.34 : 117,129.72 = 33,682.10 : x
  2. Step 2: Convert to fraction form
    78,055.34/117,129.72 = 33,682.10/x
  3. Step 3: Cross multiply
    78,055.34x = 117,129.72 × 33,682.10
  4. Step 4: Simplify right side
    78,055.34x = 3,945,174,356.36
  5. Step 5: Solve for x
    x = 3,945,174,356.36/78,055.34
  6. Step 6: Final answer
    x = 50,543.30

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.