Home / 127,829.78-191,744.67-39,083.29

Finding the Fourth Proportional to 127,829.78, 191,744.67 and 39,083.29

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Solution

The fourth proportional to 127,829.78, 191,744.67 and 39,083.29 is: 58,624.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,829.78 : 191,744.67 = 39,083.29 : x
  2. Step 2: Convert to fraction form
    127,829.78/191,744.67 = 39,083.29/x
  3. Step 3: Cross multiply
    127,829.78x = 191,744.67 × 39,083.29
  4. Step 4: Simplify right side
    127,829.78x = 7,494,012,543.56
  5. Step 5: Solve for x
    x = 7,494,012,543.56/127,829.78
  6. Step 6: Final answer
    x = 58,624.94

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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.