Home / 104,491.53-156,738-25,605.77

Finding the Fourth Proportional to 104,491.53, 156,738 and 25,605.77

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Solution

The fourth proportional to 104,491.53, 156,738 and 25,605.77 is: 38,408.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,491.53 : 156,738 = 25,605.77 : x
  2. Step 2: Convert to fraction form
    104,491.53/156,738 = 25,605.77/x
  3. Step 3: Cross multiply
    104,491.53x = 156,738 × 25,605.77
  4. Step 4: Simplify right side
    104,491.53x = 4,013,396,394.57
  5. Step 5: Solve for x
    x = 4,013,396,394.57/104,491.53
  6. Step 6: Final answer
    x = 38,408.82

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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.