Home / 101,229.84-151,859.28-31,115.04

Finding the Fourth Proportional to 101,229.84, 151,859.28 and 31,115.04

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Solution

The fourth proportional to 101,229.84, 151,859.28 and 31,115.04 is: 46,677.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,229.84 : 151,859.28 = 31,115.04 : x
  2. Step 2: Convert to fraction form
    101,229.84/151,859.28 = 31,115.04/x
  3. Step 3: Cross multiply
    101,229.84x = 151,859.28 × 31,115.04
  4. Step 4: Simplify right side
    101,229.84x = 4,725,107,571.57
  5. Step 5: Solve for x
    x = 4,725,107,571.57/101,229.84
  6. Step 6: Final answer
    x = 46,677.02

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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.