Home / 99,385.26-149,078.97-29,265.90

Finding the Fourth Proportional to 99,385.26, 149,078.97 and 29,265.90

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Solution

The fourth proportional to 99,385.26, 149,078.97 and 29,265.90 is: 43,899.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,385.26 : 149,078.97 = 29,265.90 : x
  2. Step 2: Convert to fraction form
    99,385.26/149,078.97 = 29,265.90/x
  3. Step 3: Cross multiply
    99,385.26x = 149,078.97 × 29,265.90
  4. Step 4: Simplify right side
    99,385.26x = 4,362,930,228.12
  5. Step 5: Solve for x
    x = 4,362,930,228.12/99,385.26
  6. Step 6: Final answer
    x = 43,899.17

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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.