Home / 68,786.28-103,191.12-24,403.68

Finding the Fourth Proportional to 68,786.28, 103,191.12 and 24,403.68

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Solution

The fourth proportional to 68,786.28, 103,191.12 and 24,403.68 is: 36,609.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,786.28 : 103,191.12 = 24,403.68 : x
  2. Step 2: Convert to fraction form
    68,786.28/103,191.12 = 24,403.68/x
  3. Step 3: Cross multiply
    68,786.28x = 103,191.12 × 24,403.68
  4. Step 4: Simplify right side
    68,786.28x = 2,518,243,071.32
  5. Step 5: Solve for x
    x = 2,518,243,071.32/68,786.28
  6. Step 6: Final answer
    x = 36,609.67

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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.