Home / 45,076.38-67,618.40-11,796.40

Finding the Fourth Proportional to 45,076.38, 67,618.40 and 11,796.40

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Solution

The fourth proportional to 45,076.38, 67,618.40 and 11,796.40 is: 17,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,076.38 : 67,618.40 = 11,796.40 : x
  2. Step 2: Convert to fraction form
    45,076.38/67,618.40 = 11,796.40/x
  3. Step 3: Cross multiply
    45,076.38x = 67,618.40 × 11,796.40
  4. Step 4: Simplify right side
    45,076.38x = 797,653,693.76
  5. Step 5: Solve for x
    x = 797,653,693.76/45,076.38
  6. Step 6: Final answer
    x = 17,695.60

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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.