Home / 125,845.26-173,669.40-71,401.12

Finding the Fourth Proportional to 125,845.26, 173,669.40 and 71,401.12

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Solution

The fourth proportional to 125,845.26, 173,669.40 and 71,401.12 is: 98,535.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,845.26 : 173,669.40 = 71,401.12 : x
  2. Step 2: Convert to fraction form
    125,845.26/173,669.40 = 71,401.12/x
  3. Step 3: Cross multiply
    125,845.26x = 173,669.40 × 71,401.12
  4. Step 4: Simplify right side
    125,845.26x = 12,400,189,669.73
  5. Step 5: Solve for x
    x = 12,400,189,669.73/125,845.26
  6. Step 6: Final answer
    x = 98,535.21

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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.