Home / 87,699.28-121,024.84-47,413.04

Finding the Fourth Proportional to 87,699.28, 121,024.84 and 47,413.04

Calculator

Solution

The fourth proportional to 87,699.28, 121,024.84 and 47,413.04 is: 65,429.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,699.28 : 121,024.84 = 47,413.04 : x
  2. Step 2: Convert to fraction form
    87,699.28/121,024.84 = 47,413.04/x
  3. Step 3: Cross multiply
    87,699.28x = 121,024.84 × 47,413.04
  4. Step 4: Simplify right side
    87,699.28x = 5,738,155,579.91
  5. Step 5: Solve for x
    x = 5,738,155,579.91/87,699.28
  6. Step 6: Final answer
    x = 65,429.91

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.