Home / 51,414.20-70,951.09-28,752.93

Finding the Fourth Proportional to 51,414.20, 70,951.09 and 28,752.93

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Solution

The fourth proportional to 51,414.20, 70,951.09 and 28,752.93 is: 39,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,414.20 : 70,951.09 = 28,752.93 : x
  2. Step 2: Convert to fraction form
    51,414.20/70,951.09 = 28,752.93/x
  3. Step 3: Cross multiply
    51,414.20x = 70,951.09 × 28,752.93
  4. Step 4: Simplify right side
    51,414.20x = 2,040,051,724.19
  5. Step 5: Solve for x
    x = 2,040,051,724.19/51,414.20
  6. Step 6: Final answer
    x = 39,678.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.