Home / 125,764.89-173,504.33-71,305.58

Finding the Fourth Proportional to 125,764.89, 173,504.33 and 71,305.58

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Solution

The fourth proportional to 125,764.89, 173,504.33 and 71,305.58 is: 98,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,764.89 : 173,504.33 = 71,305.58 : x
  2. Step 2: Convert to fraction form
    125,764.89/173,504.33 = 71,305.58/x
  3. Step 3: Cross multiply
    125,764.89x = 173,504.33 × 71,305.58
  4. Step 4: Simplify right side
    125,764.89x = 12,371,825,659.11
  5. Step 5: Solve for x
    x = 12,371,825,659.11/125,764.89
  6. Step 6: Final answer
    x = 98,372.65

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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.