Home / 77,954.46-107,551.62-47,708.22

Finding the Fourth Proportional to 77,954.46, 107,551.62 and 47,708.22

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Solution

The fourth proportional to 77,954.46, 107,551.62 and 47,708.22 is: 65,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,954.46 : 107,551.62 = 47,708.22 : x
  2. Step 2: Convert to fraction form
    77,954.46/107,551.62 = 47,708.22/x
  3. Step 3: Cross multiply
    77,954.46x = 107,551.62 × 47,708.22
  4. Step 4: Simplify right side
    77,954.46x = 5,131,096,348.32
  5. Step 5: Solve for x
    x = 5,131,096,348.32/77,954.46
  6. Step 6: Final answer
    x = 65,821.72

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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.