Home / 76,101.57-114,133.89-31,704.10

Finding the Fourth Proportional to 76,101.57, 114,133.89 and 31,704.10

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Solution

The fourth proportional to 76,101.57, 114,133.89 and 31,704.10 is: 47,548.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,101.57 : 114,133.89 = 31,704.10 : x
  2. Step 2: Convert to fraction form
    76,101.57/114,133.89 = 31,704.10/x
  3. Step 3: Cross multiply
    76,101.57x = 114,133.89 × 31,704.10
  4. Step 4: Simplify right side
    76,101.57x = 3,618,512,329.57
  5. Step 5: Solve for x
    x = 3,618,512,329.57/76,101.57
  6. Step 6: Final answer
    x = 47,548.46

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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.