Home / 75,649.12-104,381.36-48,786.40

Finding the Fourth Proportional to 75,649.12, 104,381.36 and 48,786.40

Calculator

Solution

The fourth proportional to 75,649.12, 104,381.36 and 48,786.40 is: 67,315.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,649.12 : 104,381.36 = 48,786.40 : x
  2. Step 2: Convert to fraction form
    75,649.12/104,381.36 = 48,786.40/x
  3. Step 3: Cross multiply
    75,649.12x = 104,381.36 × 48,786.40
  4. Step 4: Simplify right side
    75,649.12x = 5,092,390,781.50
  5. Step 5: Solve for x
    x = 5,092,390,781.50/75,649.12
  6. Step 6: Final answer
    x = 67,315.93

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.