Home / 90,805.32-125,328.60-56,829.60

Finding the Fourth Proportional to 90,805.32, 125,328.60 and 56,829.60

Calculator

Solution

The fourth proportional to 90,805.32, 125,328.60 and 56,829.60 is: 78,435.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,805.32 : 125,328.60 = 56,829.60 : x
  2. Step 2: Convert to fraction form
    90,805.32/125,328.60 = 56,829.60/x
  3. Step 3: Cross multiply
    90,805.32x = 125,328.60 × 56,829.60
  4. Step 4: Simplify right side
    90,805.32x = 7,122,374,206.56
  5. Step 5: Solve for x
    x = 7,122,374,206.56/90,805.32
  6. Step 6: Final answer
    x = 78,435.65

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.