Home / 41,100.31-61,654.11-11,518.50

Finding the Fourth Proportional to 41,100.31, 61,654.11 and 11,518.50

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Solution

The fourth proportional to 41,100.31, 61,654.11 and 11,518.50 is: 17,278.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,100.31 : 61,654.11 = 11,518.50 : x
  2. Step 2: Convert to fraction form
    41,100.31/61,654.11 = 11,518.50/x
  3. Step 3: Cross multiply
    41,100.31x = 61,654.11 × 11,518.50
  4. Step 4: Simplify right side
    41,100.31x = 710,162,808.44
  5. Step 5: Solve for x
    x = 710,162,808.44/41,100.31
  6. Step 6: Final answer
    x = 17,278.77

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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.