Home / 77,620.89-116,337.24-55,096.14

Finding the Fourth Proportional to 77,620.89, 116,337.24 and 55,096.14

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Solution

The fourth proportional to 77,620.89, 116,337.24 and 55,096.14 is: 82,577.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,620.89 : 116,337.24 = 55,096.14 : x
  2. Step 2: Convert to fraction form
    77,620.89/116,337.24 = 55,096.14/x
  3. Step 3: Cross multiply
    77,620.89x = 116,337.24 × 55,096.14
  4. Step 4: Simplify right side
    77,620.89x = 6,409,732,862.25
  5. Step 5: Solve for x
    x = 6,409,732,862.25/77,620.89
  6. Step 6: Final answer
    x = 82,577.42

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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.