Home / 106,540.51-159,769.23-39,944.35

Finding the Fourth Proportional to 106,540.51, 159,769.23 and 39,944.35

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Solution

The fourth proportional to 106,540.51, 159,769.23 and 39,944.35 is: 59,900.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,540.51 : 159,769.23 = 39,944.35 : x
  2. Step 2: Convert to fraction form
    106,540.51/159,769.23 = 39,944.35/x
  3. Step 3: Cross multiply
    106,540.51x = 159,769.23 × 39,944.35
  4. Step 4: Simplify right side
    106,540.51x = 6,381,878,042.35
  5. Step 5: Solve for x
    x = 6,381,878,042.35/106,540.51
  6. Step 6: Final answer
    x = 59,900.95

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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.