Home / 101,122.40-151,639.32-34,544.72

Finding the Fourth Proportional to 101,122.40, 151,639.32 and 34,544.72

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Solution

The fourth proportional to 101,122.40, 151,639.32 and 34,544.72 is: 51,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,122.40 : 151,639.32 = 34,544.72 : x
  2. Step 2: Convert to fraction form
    101,122.40/151,639.32 = 34,544.72/x
  3. Step 3: Cross multiply
    101,122.40x = 151,639.32 × 34,544.72
  4. Step 4: Simplify right side
    101,122.40x = 5,238,337,850.39
  5. Step 5: Solve for x
    x = 5,238,337,850.39/101,122.40
  6. Step 6: Final answer
    x = 51,801.95

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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.