Home / 83,214.14-114,719.39-57,676.66

Finding the Fourth Proportional to 83,214.14, 114,719.39 and 57,676.66

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Solution

The fourth proportional to 83,214.14, 114,719.39 and 57,676.66 is: 79,513.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,214.14 : 114,719.39 = 57,676.66 : x
  2. Step 2: Convert to fraction form
    83,214.14/114,719.39 = 57,676.66/x
  3. Step 3: Cross multiply
    83,214.14x = 114,719.39 × 57,676.66
  4. Step 4: Simplify right side
    83,214.14x = 6,616,630,893.54
  5. Step 5: Solve for x
    x = 6,616,630,893.54/83,214.14
  6. Step 6: Final answer
    x = 79,513.30

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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.