Home / 55,672.32-76,831.68-30,523.44

Finding the Fourth Proportional to 55,672.32, 76,831.68 and 30,523.44

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Solution

The fourth proportional to 55,672.32, 76,831.68 and 30,523.44 is: 42,124.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,672.32 : 76,831.68 = 30,523.44 : x
  2. Step 2: Convert to fraction form
    55,672.32/76,831.68 = 30,523.44/x
  3. Step 3: Cross multiply
    55,672.32x = 76,831.68 × 30,523.44
  4. Step 4: Simplify right side
    55,672.32x = 2,345,167,174.58
  5. Step 5: Solve for x
    x = 2,345,167,174.58/55,672.32
  6. Step 6: Final answer
    x = 42,124.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.