Home / 51,304.20-76,826.70-40,936.20

Finding the Fourth Proportional to 51,304.20, 76,826.70 and 40,936.20

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Solution

The fourth proportional to 51,304.20, 76,826.70 and 40,936.20 is: 61,300.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,304.20 : 76,826.70 = 40,936.20 : x
  2. Step 2: Convert to fraction form
    51,304.20/76,826.70 = 40,936.20/x
  3. Step 3: Cross multiply
    51,304.20x = 76,826.70 × 40,936.20
  4. Step 4: Simplify right side
    51,304.20x = 3,144,993,156.54
  5. Step 5: Solve for x
    x = 3,144,993,156.54/51,304.20
  6. Step 6: Final answer
    x = 61,300.89

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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.