Home / 76,361.07-113,921.58-72,227.64

Finding the Fourth Proportional to 76,361.07, 113,921.58 and 72,227.64

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Solution

The fourth proportional to 76,361.07, 113,921.58 and 72,227.64 is: 107,755.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,361.07 : 113,921.58 = 72,227.64 : x
  2. Step 2: Convert to fraction form
    76,361.07/113,921.58 = 72,227.64/x
  3. Step 3: Cross multiply
    76,361.07x = 113,921.58 × 72,227.64
  4. Step 4: Simplify right side
    76,361.07x = 8,228,286,868.47
  5. Step 5: Solve for x
    x = 8,228,286,868.47/76,361.07
  6. Step 6: Final answer
    x = 107,755.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.