Home / 125,747.24-173,530.32-71,309.69

Finding the Fourth Proportional to 125,747.24, 173,530.32 and 71,309.69

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Solution

The fourth proportional to 125,747.24, 173,530.32 and 71,309.69 is: 98,406.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,747.24 : 173,530.32 = 71,309.69 : x
  2. Step 2: Convert to fraction form
    125,747.24/173,530.32 = 71,309.69/x
  3. Step 3: Cross multiply
    125,747.24x = 173,530.32 × 71,309.69
  4. Step 4: Simplify right side
    125,747.24x = 12,374,393,930.21
  5. Step 5: Solve for x
    x = 12,374,393,930.21/125,747.24
  6. Step 6: Final answer
    x = 98,406.89

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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.