Home / 125,255.44-172,845.98-71,529.96

Finding the Fourth Proportional to 125,255.44, 172,845.98 and 71,529.96

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Solution

The fourth proportional to 125,255.44, 172,845.98 and 71,529.96 is: 98,707.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,255.44 : 172,845.98 = 71,529.96 : x
  2. Step 2: Convert to fraction form
    125,255.44/172,845.98 = 71,529.96/x
  3. Step 3: Cross multiply
    125,255.44x = 172,845.98 × 71,529.96
  4. Step 4: Simplify right side
    125,255.44x = 12,363,666,035.56
  5. Step 5: Solve for x
    x = 12,363,666,035.56/125,255.44
  6. Step 6: Final answer
    x = 98,707.62

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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.