Home / 49,087.20-73,707.60-28,351.20

Finding the Fourth Proportional to 49,087.20, 73,707.60 and 28,351.20

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Solution

The fourth proportional to 49,087.20, 73,707.60 and 28,351.20 is: 42,571.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,087.20 : 73,707.60 = 28,351.20 : x
  2. Step 2: Convert to fraction form
    49,087.20/73,707.60 = 28,351.20/x
  3. Step 3: Cross multiply
    49,087.20x = 73,707.60 × 28,351.20
  4. Step 4: Simplify right side
    49,087.20x = 2,089,698,909.12
  5. Step 5: Solve for x
    x = 2,089,698,909.12/49,087.20
  6. Step 6: Final answer
    x = 42,571.16

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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.