Home / 51,661.14-71,289.46-28,998.08

Finding the Fourth Proportional to 51,661.14, 71,289.46 and 28,998.08

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Solution

The fourth proportional to 51,661.14, 71,289.46 and 28,998.08 is: 40,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,661.14 : 71,289.46 = 28,998.08 : x
  2. Step 2: Convert to fraction form
    51,661.14/71,289.46 = 28,998.08/x
  3. Step 3: Cross multiply
    51,661.14x = 71,289.46 × 28,998.08
  4. Step 4: Simplify right side
    51,661.14x = 2,067,257,411.37
  5. Step 5: Solve for x
    x = 2,067,257,411.37/51,661.14
  6. Step 6: Final answer
    x = 40,015.72

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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.