Home / 49,127.20-73,690.80-30,464.80

Finding the Fourth Proportional to 49,127.20, 73,690.80 and 30,464.80

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Solution

The fourth proportional to 49,127.20, 73,690.80 and 30,464.80 is: 45,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,127.20 : 73,690.80 = 30,464.80 : x
  2. Step 2: Convert to fraction form
    49,127.20/73,690.80 = 30,464.80/x
  3. Step 3: Cross multiply
    49,127.20x = 73,690.80 × 30,464.80
  4. Step 4: Simplify right side
    49,127.20x = 2,244,975,483.84
  5. Step 5: Solve for x
    x = 2,244,975,483.84/49,127.20
  6. Step 6: Final answer
    x = 45,697.20

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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.