Home / 52,142.09-71,956.44-28,269.14

Finding the Fourth Proportional to 52,142.09, 71,956.44 and 28,269.14

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Solution

The fourth proportional to 52,142.09, 71,956.44 and 28,269.14 is: 39,011.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,142.09 : 71,956.44 = 28,269.14 : x
  2. Step 2: Convert to fraction form
    52,142.09/71,956.44 = 28,269.14/x
  3. Step 3: Cross multiply
    52,142.09x = 71,956.44 × 28,269.14
  4. Step 4: Simplify right side
    52,142.09x = 2,034,146,676.26
  5. Step 5: Solve for x
    x = 2,034,146,676.26/52,142.09
  6. Step 6: Final answer
    x = 39,011.61

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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.