Home / 76,771.47-114,896.93-47,207.91

Finding the Fourth Proportional to 76,771.47, 114,896.93 and 47,207.91

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Solution

The fourth proportional to 76,771.47, 114,896.93 and 47,207.91 is: 70,651.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,771.47 : 114,896.93 = 47,207.91 : x
  2. Step 2: Convert to fraction form
    76,771.47/114,896.93 = 47,207.91/x
  3. Step 3: Cross multiply
    76,771.47x = 114,896.93 × 47,207.91
  4. Step 4: Simplify right side
    76,771.47x = 5,424,043,694.68
  5. Step 5: Solve for x
    x = 5,424,043,694.68/76,771.47
  6. Step 6: Final answer
    x = 70,651.81

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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.