Home / 108,414.45-149,506.97-84,532.41

Finding the Fourth Proportional to 108,414.45, 149,506.97 and 84,532.41

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Solution

The fourth proportional to 108,414.45, 149,506.97 and 84,532.41 is: 116,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,414.45 : 149,506.97 = 84,532.41 : x
  2. Step 2: Convert to fraction form
    108,414.45/149,506.97 = 84,532.41/x
  3. Step 3: Cross multiply
    108,414.45x = 149,506.97 × 84,532.41
  4. Step 4: Simplify right side
    108,414.45x = 12,638,184,063.24
  5. Step 5: Solve for x
    x = 12,638,184,063.24/108,414.45
  6. Step 6: Final answer
    x = 116,572.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.