Home / 76,993.11-106,166.52-50,085.72

Finding the Fourth Proportional to 76,993.11, 106,166.52 and 50,085.72

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Solution

The fourth proportional to 76,993.11, 106,166.52 and 50,085.72 is: 69,063.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,993.11 : 106,166.52 = 50,085.72 : x
  2. Step 2: Convert to fraction form
    76,993.11/106,166.52 = 50,085.72/x
  3. Step 3: Cross multiply
    76,993.11x = 106,166.52 × 50,085.72
  4. Step 4: Simplify right side
    76,993.11x = 5,317,426,594.09
  5. Step 5: Solve for x
    x = 5,317,426,594.09/76,993.11
  6. Step 6: Final answer
    x = 69,063.67

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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.