Home / 104,578.29-156,869.46-34,458.21

Finding the Fourth Proportional to 104,578.29, 156,869.46 and 34,458.21

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Solution

The fourth proportional to 104,578.29, 156,869.46 and 34,458.21 is: 51,687.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,578.29 : 156,869.46 = 34,458.21 : x
  2. Step 2: Convert to fraction form
    104,578.29/156,869.46 = 34,458.21/x
  3. Step 3: Cross multiply
    104,578.29x = 156,869.46 × 34,458.21
  4. Step 4: Simplify right side
    104,578.29x = 5,405,440,795.27
  5. Step 5: Solve for x
    x = 5,405,440,795.27/104,578.29
  6. Step 6: Final answer
    x = 51,687.98

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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.