Home / 71,994.74-99,352.46-40,163.62

Finding the Fourth Proportional to 71,994.74, 99,352.46 and 40,163.62

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Solution

The fourth proportional to 71,994.74, 99,352.46 and 40,163.62 is: 55,425.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,994.74 : 99,352.46 = 40,163.62 : x
  2. Step 2: Convert to fraction form
    71,994.74/99,352.46 = 40,163.62/x
  3. Step 3: Cross multiply
    71,994.74x = 99,352.46 × 40,163.62
  4. Step 4: Simplify right side
    71,994.74x = 3,990,354,449.51
  5. Step 5: Solve for x
    x = 3,990,354,449.51/71,994.74
  6. Step 6: Final answer
    x = 55,425.64

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1.5x scale

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.