Home / 101,725.20-152,586.18-31,604.58

Finding the Fourth Proportional to 101,725.20, 152,586.18 and 31,604.58

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Solution

The fourth proportional to 101,725.20, 152,586.18 and 31,604.58 is: 47,406.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,725.20 : 152,586.18 = 31,604.58 : x
  2. Step 2: Convert to fraction form
    101,725.20/152,586.18 = 31,604.58/x
  3. Step 3: Cross multiply
    101,725.20x = 152,586.18 × 31,604.58
  4. Step 4: Simplify right side
    101,725.20x = 4,822,422,132.70
  5. Step 5: Solve for x
    x = 4,822,422,132.70/101,725.20
  6. Step 6: Final answer
    x = 47,406.37

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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.