Home / 54,630.18-81,996.30-28,353.38

Finding the Fourth Proportional to 54,630.18, 81,996.30 and 28,353.38

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Solution

The fourth proportional to 54,630.18, 81,996.30 and 28,353.38 is: 42,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,630.18 : 81,996.30 = 28,353.38 : x
  2. Step 2: Convert to fraction form
    54,630.18/81,996.30 = 28,353.38/x
  3. Step 3: Cross multiply
    54,630.18x = 81,996.30 × 28,353.38
  4. Step 4: Simplify right side
    54,630.18x = 2,324,871,842.51
  5. Step 5: Solve for x
    x = 2,324,871,842.51/54,630.18
  6. Step 6: Final answer
    x = 42,556.55

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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.