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Finding the Fourth Proportional to 77,651.95, 116,458.68 and 33,273.67

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Solution

The fourth proportional to 77,651.95, 116,458.68 and 33,273.67 is: 49,902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,651.95 : 116,458.68 = 33,273.67 : x
  2. Step 2: Convert to fraction form
    77,651.95/116,458.68 = 33,273.67/x
  3. Step 3: Cross multiply
    77,651.95x = 116,458.68 × 33,273.67
  4. Step 4: Simplify right side
    77,651.95x = 3,875,007,104.66
  5. Step 5: Solve for x
    x = 3,875,007,104.66/77,651.95
  6. Step 6: Final answer
    x = 49,902.25

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1.5x scale

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.