Home / 88,274.46-121,704.42-57,174.37

Finding the Fourth Proportional to 88,274.46, 121,704.42 and 57,174.37

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Solution

The fourth proportional to 88,274.46, 121,704.42 and 57,174.37 is: 78,826.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,274.46 : 121,704.42 = 57,174.37 : x
  2. Step 2: Convert to fraction form
    88,274.46/121,704.42 = 57,174.37/x
  3. Step 3: Cross multiply
    88,274.46x = 121,704.42 × 57,174.37
  4. Step 4: Simplify right side
    88,274.46x = 6,958,373,253.84
  5. Step 5: Solve for x
    x = 6,958,373,253.84/88,274.46
  6. Step 6: Final answer
    x = 78,826.57

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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.