Home / 92,353.28-138,537.20-29,178.28

Finding the Fourth Proportional to 92,353.28, 138,537.20 and 29,178.28

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Solution

The fourth proportional to 92,353.28, 138,537.20 and 29,178.28 is: 43,769.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,353.28 : 138,537.20 = 29,178.28 : x
  2. Step 2: Convert to fraction form
    92,353.28/138,537.20 = 29,178.28/x
  3. Step 3: Cross multiply
    92,353.28x = 138,537.20 × 29,178.28
  4. Step 4: Simplify right side
    92,353.28x = 4,042,277,212.02
  5. Step 5: Solve for x
    x = 4,042,277,212.02/92,353.28
  6. Step 6: Final answer
    x = 43,769.72

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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.