Home / 78,397.24-108,188.96-42,587.54

Finding the Fourth Proportional to 78,397.24, 108,188.96 and 42,587.54

Calculator

Solution

The fourth proportional to 78,397.24, 108,188.96 and 42,587.54 is: 58,771.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,397.24 : 108,188.96 = 42,587.54 : x
  2. Step 2: Convert to fraction form
    78,397.24/108,188.96 = 42,587.54/x
  3. Step 3: Cross multiply
    78,397.24x = 108,188.96 × 42,587.54
  4. Step 4: Simplify right side
    78,397.24x = 4,607,501,661.56
  5. Step 5: Solve for x
    x = 4,607,501,661.56/78,397.24
  6. Step 6: Final answer
    x = 58,771.22

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.