Home / 103,299.72-154,898.37-36,729.84

Finding the Fourth Proportional to 103,299.72, 154,898.37 and 36,729.84

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Solution

The fourth proportional to 103,299.72, 154,898.37 and 36,729.84 is: 55,076.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,299.72 : 154,898.37 = 36,729.84 : x
  2. Step 2: Convert to fraction form
    103,299.72/154,898.37 = 36,729.84/x
  3. Step 3: Cross multiply
    103,299.72x = 154,898.37 × 36,729.84
  4. Step 4: Simplify right side
    103,299.72x = 5,689,392,346.36
  5. Step 5: Solve for x
    x = 5,689,392,346.36/103,299.72
  6. Step 6: Final answer
    x = 55,076.55

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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.