Home / 104,108.49-156,162.21-25,222.72

Finding the Fourth Proportional to 104,108.49, 156,162.21 and 25,222.72

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Solution

The fourth proportional to 104,108.49, 156,162.21 and 25,222.72 is: 37,833.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,108.49 : 156,162.21 = 25,222.72 : x
  2. Step 2: Convert to fraction form
    104,108.49/156,162.21 = 25,222.72/x
  3. Step 3: Cross multiply
    104,108.49x = 156,162.21 × 25,222.72
  4. Step 4: Simplify right side
    104,108.49x = 3,938,835,697.41
  5. Step 5: Solve for x
    x = 3,938,835,697.41/104,108.49
  6. Step 6: Final answer
    x = 37,833.95

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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.