Home / 47,999.95-71,999.93-42,945.55

Finding the Fourth Proportional to 47,999.95, 71,999.93 and 42,945.55

Calculator

Solution

The fourth proportional to 47,999.95, 71,999.93 and 42,945.55 is: 64,418.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,999.95 : 71,999.93 = 42,945.55 : x
  2. Step 2: Convert to fraction form
    47,999.95/71,999.93 = 42,945.55/x
  3. Step 3: Cross multiply
    47,999.95x = 71,999.93 × 42,945.55
  4. Step 4: Simplify right side
    47,999.95x = 3,092,076,379.08
  5. Step 5: Solve for x
    x = 3,092,076,379.08/47,999.95
  6. Step 6: Final answer
    x = 64,418.33

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.