Home / 103,818.56-155,530.92-61,609.44

Finding the Fourth Proportional to 103,818.56, 155,530.92 and 61,609.44

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Solution

The fourth proportional to 103,818.56, 155,530.92 and 61,609.44 is: 92,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,818.56 : 155,530.92 = 61,609.44 : x
  2. Step 2: Convert to fraction form
    103,818.56/155,530.92 = 61,609.44/x
  3. Step 3: Cross multiply
    103,818.56x = 155,530.92 × 61,609.44
  4. Step 4: Simplify right side
    103,818.56x = 9,582,172,883.88
  5. Step 5: Solve for x
    x = 9,582,172,883.88/103,818.56
  6. Step 6: Final answer
    x = 92,297.30

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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.