Home / 85,074.12-127,690.11-42,983.77

Finding the Fourth Proportional to 85,074.12, 127,690.11 and 42,983.77

Calculator

Solution

The fourth proportional to 85,074.12, 127,690.11 and 42,983.77 is: 64,515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,074.12 : 127,690.11 = 42,983.77 : x
  2. Step 2: Convert to fraction form
    85,074.12/127,690.11 = 42,983.77/x
  3. Step 3: Cross multiply
    85,074.12x = 127,690.11 × 42,983.77
  4. Step 4: Simplify right side
    85,074.12x = 5,488,601,681.06
  5. Step 5: Solve for x
    x = 5,488,601,681.06/85,074.12
  6. Step 6: Final answer
    x = 64,515.53

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.