Home / 93,072.80-138,556.52-92,519.21

Finding the Fourth Proportional to 93,072.80, 138,556.52 and 92,519.21

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Solution

The fourth proportional to 93,072.80, 138,556.52 and 92,519.21 is: 137,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,072.80 : 138,556.52 = 92,519.21 : x
  2. Step 2: Convert to fraction form
    93,072.80/138,556.52 = 92,519.21/x
  3. Step 3: Cross multiply
    93,072.80x = 138,556.52 × 92,519.21
  4. Step 4: Simplify right side
    93,072.80x = 12,819,139,654.54
  5. Step 5: Solve for x
    x = 12,819,139,654.54/93,072.80
  6. Step 6: Final answer
    x = 137,732.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.