Home / 77,382.44-116,209.74-76,274.36

Finding the Fourth Proportional to 77,382.44, 116,209.74 and 76,274.36

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Solution

The fourth proportional to 77,382.44, 116,209.74 and 76,274.36 is: 114,545.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,382.44 : 116,209.74 = 76,274.36 : x
  2. Step 2: Convert to fraction form
    77,382.44/116,209.74 = 76,274.36/x
  3. Step 3: Cross multiply
    77,382.44x = 116,209.74 × 76,274.36
  4. Step 4: Simplify right side
    77,382.44x = 8,863,823,544.27
  5. Step 5: Solve for x
    x = 8,863,823,544.27/77,382.44
  6. Step 6: Final answer
    x = 114,545.67

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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.