Home / 75,851.34-113,815.41-51,175.50

Finding the Fourth Proportional to 75,851.34, 113,815.41 and 51,175.50

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Solution

The fourth proportional to 75,851.34, 113,815.41 and 51,175.50 is: 76,789.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,851.34 : 113,815.41 = 51,175.50 : x
  2. Step 2: Convert to fraction form
    75,851.34/113,815.41 = 51,175.50/x
  3. Step 3: Cross multiply
    75,851.34x = 113,815.41 × 51,175.50
  4. Step 4: Simplify right side
    75,851.34x = 5,824,560,514.46
  5. Step 5: Solve for x
    x = 5,824,560,514.46/75,851.34
  6. Step 6: Final answer
    x = 76,789.16

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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.