Home / 76,731.80-114,968.10-37,203.80

Finding the Fourth Proportional to 76,731.80, 114,968.10 and 37,203.80

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Solution

The fourth proportional to 76,731.80, 114,968.10 and 37,203.80 is: 55,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,731.80 : 114,968.10 = 37,203.80 : x
  2. Step 2: Convert to fraction form
    76,731.80/114,968.10 = 37,203.80/x
  3. Step 3: Cross multiply
    76,731.80x = 114,968.10 × 37,203.80
  4. Step 4: Simplify right side
    76,731.80x = 4,277,250,198.78
  5. Step 5: Solve for x
    x = 4,277,250,198.78/76,731.80
  6. Step 6: Final answer
    x = 55,742.86

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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.