Home / 82,355-123,697.80-49,139.88

Finding the Fourth Proportional to 82,355, 123,697.80 and 49,139.88

Calculator

Solution

The fourth proportional to 82,355, 123,697.80 and 49,139.88 is: 73,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,355 : 123,697.80 = 49,139.88 : x
  2. Step 2: Convert to fraction form
    82,355/123,697.80 = 49,139.88/x
  3. Step 3: Cross multiply
    82,355x = 123,697.80 × 49,139.88
  4. Step 4: Simplify right side
    82,355x = 6,078,495,048.26
  5. Step 5: Solve for x
    x = 6,078,495,048.26/82,355
  6. Step 6: Final answer
    x = 73,808.45

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.