Home / 102,726.39-154,089.60-27,846.54

Finding the Fourth Proportional to 102,726.39, 154,089.60 and 27,846.54

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Solution

The fourth proportional to 102,726.39, 154,089.60 and 27,846.54 is: 41,769.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,726.39 : 154,089.60 = 27,846.54 : x
  2. Step 2: Convert to fraction form
    102,726.39/154,089.60 = 27,846.54/x
  3. Step 3: Cross multiply
    102,726.39x = 154,089.60 × 27,846.54
  4. Step 4: Simplify right side
    102,726.39x = 4,290,862,209.98
  5. Step 5: Solve for x
    x = 4,290,862,209.98/102,726.39
  6. Step 6: Final answer
    x = 41,769.81

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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.