Home / 68,384.56-94,369.98-40,084.78

Finding the Fourth Proportional to 68,384.56, 94,369.98 and 40,084.78

Calculator

Solution

The fourth proportional to 68,384.56, 94,369.98 and 40,084.78 is: 55,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,384.56 : 94,369.98 = 40,084.78 : x
  2. Step 2: Convert to fraction form
    68,384.56/94,369.98 = 40,084.78/x
  3. Step 3: Cross multiply
    68,384.56x = 94,369.98 × 40,084.78
  4. Step 4: Simplify right side
    68,384.56x = 3,782,799,886.90
  5. Step 5: Solve for x
    x = 3,782,799,886.90/68,384.56
  6. Step 6: Final answer
    x = 55,316.58

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.