Home / 77,747.76-116,623.44-27,831.29

Finding the Fourth Proportional to 77,747.76, 116,623.44 and 27,831.29

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Solution

The fourth proportional to 77,747.76, 116,623.44 and 27,831.29 is: 41,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,747.76 : 116,623.44 = 27,831.29 : x
  2. Step 2: Convert to fraction form
    77,747.76/116,623.44 = 27,831.29/x
  3. Step 3: Cross multiply
    77,747.76x = 116,623.44 × 27,831.29
  4. Step 4: Simplify right side
    77,747.76x = 3,245,780,196.32
  5. Step 5: Solve for x
    x = 3,245,780,196.32/77,747.76
  6. Step 6: Final answer
    x = 41,747.57

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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.