Home / 49,313.60-74,049.60-45,675.20

Finding the Fourth Proportional to 49,313.60, 74,049.60 and 45,675.20

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Solution

The fourth proportional to 49,313.60, 74,049.60 and 45,675.20 is: 68,586.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,313.60 : 74,049.60 = 45,675.20 : x
  2. Step 2: Convert to fraction form
    49,313.60/74,049.60 = 45,675.20/x
  3. Step 3: Cross multiply
    49,313.60x = 74,049.60 × 45,675.20
  4. Step 4: Simplify right side
    49,313.60x = 3,382,230,289.92
  5. Step 5: Solve for x
    x = 3,382,230,289.92/49,313.60
  6. Step 6: Final answer
    x = 68,586.16

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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.