Home / 77,392.87-116,089.50-21,233.75

Finding the Fourth Proportional to 77,392.87, 116,089.50 and 21,233.75

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Solution

The fourth proportional to 77,392.87, 116,089.50 and 21,233.75 is: 31,850.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,392.87 : 116,089.50 = 21,233.75 : x
  2. Step 2: Convert to fraction form
    77,392.87/116,089.50 = 21,233.75/x
  3. Step 3: Cross multiply
    77,392.87x = 116,089.50 × 21,233.75
  4. Step 4: Simplify right side
    77,392.87x = 2,465,014,919.80
  5. Step 5: Solve for x
    x = 2,465,014,919.80/77,392.87
  6. Step 6: Final answer
    x = 31,850.67

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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.