Home / 72,455.94-99,987.93-40,624.74

Finding the Fourth Proportional to 72,455.94, 99,987.93 and 40,624.74

Calculator

Solution

The fourth proportional to 72,455.94, 99,987.93 and 40,624.74 is: 56,061.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,455.94 : 99,987.93 = 40,624.74 : x
  2. Step 2: Convert to fraction form
    72,455.94/99,987.93 = 40,624.74/x
  3. Step 3: Cross multiply
    72,455.94x = 99,987.93 × 40,624.74
  4. Step 4: Simplify right side
    72,455.94x = 4,061,983,659.39
  5. Step 5: Solve for x
    x = 4,061,983,659.39/72,455.94
  6. Step 6: Final answer
    x = 56,061.43

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.