Home / 77,021.26-106,289.66-42,096.62

Finding the Fourth Proportional to 77,021.26, 106,289.66 and 42,096.62

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Solution

The fourth proportional to 77,021.26, 106,289.66 and 42,096.62 is: 58,093.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,021.26 : 106,289.66 = 42,096.62 : x
  2. Step 2: Convert to fraction form
    77,021.26/106,289.66 = 42,096.62/x
  3. Step 3: Cross multiply
    77,021.26x = 106,289.66 × 42,096.62
  4. Step 4: Simplify right side
    77,021.26x = 4,474,435,426.95
  5. Step 5: Solve for x
    x = 4,474,435,426.95/77,021.26
  6. Step 6: Final answer
    x = 58,093.51

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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.