Home / 76,439.08-114,629.46-23,831.20

Finding the Fourth Proportional to 76,439.08, 114,629.46 and 23,831.20

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Solution

The fourth proportional to 76,439.08, 114,629.46 and 23,831.20 is: 35,737.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,439.08 : 114,629.46 = 23,831.20 : x
  2. Step 2: Convert to fraction form
    76,439.08/114,629.46 = 23,831.20/x
  3. Step 3: Cross multiply
    76,439.08x = 114,629.46 × 23,831.20
  4. Step 4: Simplify right side
    76,439.08x = 2,731,757,587.15
  5. Step 5: Solve for x
    x = 2,731,757,587.15/76,439.08
  6. Step 6: Final answer
    x = 35,737.71

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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.