Home / 108,603.14-149,876.52-63,310.34

Finding the Fourth Proportional to 108,603.14, 149,876.52 and 63,310.34

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Solution

The fourth proportional to 108,603.14, 149,876.52 and 63,310.34 is: 87,370.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,603.14 : 149,876.52 = 63,310.34 : x
  2. Step 2: Convert to fraction form
    108,603.14/149,876.52 = 63,310.34/x
  3. Step 3: Cross multiply
    108,603.14x = 149,876.52 × 63,310.34
  4. Step 4: Simplify right side
    108,603.14x = 9,488,733,439.22
  5. Step 5: Solve for x
    x = 9,488,733,439.22/108,603.14
  6. Step 6: Final answer
    x = 87,370.71

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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.