Home / 104,631.26-156,951-54,677.43

Finding the Fourth Proportional to 104,631.26, 156,951 and 54,677.43

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Solution

The fourth proportional to 104,631.26, 156,951 and 54,677.43 is: 82,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,631.26 : 156,951 = 54,677.43 : x
  2. Step 2: Convert to fraction form
    104,631.26/156,951 = 54,677.43/x
  3. Step 3: Cross multiply
    104,631.26x = 156,951 × 54,677.43
  4. Step 4: Simplify right side
    104,631.26x = 8,581,677,315.93
  5. Step 5: Solve for x
    x = 8,581,677,315.93/104,631.26
  6. Step 6: Final answer
    x = 82,018.30

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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.