Home / 78,412.32-108,207.36-42,600.96

Finding the Fourth Proportional to 78,412.32, 108,207.36 and 42,600.96

Calculator

Solution

The fourth proportional to 78,412.32, 108,207.36 and 42,600.96 is: 58,788.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,412.32 : 108,207.36 = 42,600.96 : x
  2. Step 2: Convert to fraction form
    78,412.32/108,207.36 = 42,600.96/x
  3. Step 3: Cross multiply
    78,412.32x = 108,207.36 × 42,600.96
  4. Step 4: Simplify right side
    78,412.32x = 4,609,737,415.07
  5. Step 5: Solve for x
    x = 4,609,737,415.07/78,412.32
  6. Step 6: Final answer
    x = 58,788.43

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.