Home / 49,040.78-73,468.33-28,990.25

Finding the Fourth Proportional to 49,040.78, 73,468.33 and 28,990.25

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Solution

The fourth proportional to 49,040.78, 73,468.33 and 28,990.25 is: 43,430.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,040.78 : 73,468.33 = 28,990.25 : x
  2. Step 2: Convert to fraction form
    49,040.78/73,468.33 = 28,990.25/x
  3. Step 3: Cross multiply
    49,040.78x = 73,468.33 × 28,990.25
  4. Step 4: Simplify right side
    49,040.78x = 2,129,864,813.97
  5. Step 5: Solve for x
    x = 2,129,864,813.97/49,040.78
  6. Step 6: Final answer
    x = 43,430.48

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1.5x scale

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.