Home / 67,231.60-100,716.18-40,870.96

Finding the Fourth Proportional to 67,231.60, 100,716.18 and 40,870.96

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Solution

The fourth proportional to 67,231.60, 100,716.18 and 40,870.96 is: 61,226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,231.60 : 100,716.18 = 40,870.96 : x
  2. Step 2: Convert to fraction form
    67,231.60/100,716.18 = 40,870.96/x
  3. Step 3: Cross multiply
    67,231.60x = 100,716.18 × 40,870.96
  4. Step 4: Simplify right side
    67,231.60x = 4,116,366,964.13
  5. Step 5: Solve for x
    x = 4,116,366,964.13/67,231.60
  6. Step 6: Final answer
    x = 61,226.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.