Home / 74,099.75-102,257.66-40,565.75

Finding the Fourth Proportional to 74,099.75, 102,257.66 and 40,565.75

Calculator

Solution

The fourth proportional to 74,099.75, 102,257.66 and 40,565.75 is: 55,980.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,099.75 : 102,257.66 = 40,565.75 : x
  2. Step 2: Convert to fraction form
    74,099.75/102,257.66 = 40,565.75/x
  3. Step 3: Cross multiply
    74,099.75x = 102,257.66 × 40,565.75
  4. Step 4: Simplify right side
    74,099.75x = 4,148,158,671.15
  5. Step 5: Solve for x
    x = 4,148,158,671.15/74,099.75
  6. Step 6: Final answer
    x = 55,980.74

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.