Home / 91,728.86-126,468.65-59,406.37

Finding the Fourth Proportional to 91,728.86, 126,468.65 and 59,406.37

Calculator

Solution

The fourth proportional to 91,728.86, 126,468.65 and 59,406.37 is: 81,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,728.86 : 126,468.65 = 59,406.37 : x
  2. Step 2: Convert to fraction form
    91,728.86/126,468.65 = 59,406.37/x
  3. Step 3: Cross multiply
    91,728.86x = 126,468.65 × 59,406.37
  4. Step 4: Simplify right side
    91,728.86x = 7,513,043,436.26
  5. Step 5: Solve for x
    x = 7,513,043,436.26/91,728.86
  6. Step 6: Final answer
    x = 81,904.90

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.