Home / 48,831.60-73,247.40-28,873.20

Finding the Fourth Proportional to 48,831.60, 73,247.40 and 28,873.20

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Solution

The fourth proportional to 48,831.60, 73,247.40 and 28,873.20 is: 43,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,831.60 : 73,247.40 = 28,873.20 : x
  2. Step 2: Convert to fraction form
    48,831.60/73,247.40 = 28,873.20/x
  3. Step 3: Cross multiply
    48,831.60x = 73,247.40 × 28,873.20
  4. Step 4: Simplify right side
    48,831.60x = 2,114,886,829.68
  5. Step 5: Solve for x
    x = 2,114,886,829.68/48,831.60
  6. Step 6: Final answer
    x = 43,309.80

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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.