Home / 52,125.28-71,942.52-29,769.28

Finding the Fourth Proportional to 52,125.28, 71,942.52 and 29,769.28

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Solution

The fourth proportional to 52,125.28, 71,942.52 and 29,769.28 is: 41,087.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,125.28 : 71,942.52 = 29,769.28 : x
  2. Step 2: Convert to fraction form
    52,125.28/71,942.52 = 29,769.28/x
  3. Step 3: Cross multiply
    52,125.28x = 71,942.52 × 29,769.28
  4. Step 4: Simplify right side
    52,125.28x = 2,141,677,021.79
  5. Step 5: Solve for x
    x = 2,141,677,021.79/52,125.28
  6. Step 6: Final answer
    x = 41,087.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.