Home / 48,831.60-73,247.40-48,313.20

Finding the Fourth Proportional to 48,831.60, 73,247.40 and 48,313.20

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Solution

The fourth proportional to 48,831.60, 73,247.40 and 48,313.20 is: 72,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,831.60 : 73,247.40 = 48,313.20 : x
  2. Step 2: Convert to fraction form
    48,831.60/73,247.40 = 48,313.20/x
  3. Step 3: Cross multiply
    48,831.60x = 73,247.40 × 48,313.20
  4. Step 4: Simplify right side
    48,831.60x = 3,538,816,285.68
  5. Step 5: Solve for x
    x = 3,538,816,285.68/48,831.60
  6. Step 6: Final answer
    x = 72,469.80

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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.