Home / 47,618.92-71,218.14-28,847.08

Finding the Fourth Proportional to 47,618.92, 71,218.14 and 28,847.08

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Solution

The fourth proportional to 47,618.92, 71,218.14 and 28,847.08 is: 43,143.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,618.92 : 71,218.14 = 28,847.08 : x
  2. Step 2: Convert to fraction form
    47,618.92/71,218.14 = 28,847.08/x
  3. Step 3: Cross multiply
    47,618.92x = 71,218.14 × 28,847.08
  4. Step 4: Simplify right side
    47,618.92x = 2,054,435,382.03
  5. Step 5: Solve for x
    x = 2,054,435,382.03/47,618.92
  6. Step 6: Final answer
    x = 43,143.26

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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.