Home / 107,269.65-148,039.14-61,949.54

Finding the Fourth Proportional to 107,269.65, 148,039.14 and 61,949.54

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Solution

The fourth proportional to 107,269.65, 148,039.14 and 61,949.54 is: 85,494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,269.65 : 148,039.14 = 61,949.54 : x
  2. Step 2: Convert to fraction form
    107,269.65/148,039.14 = 61,949.54/x
  3. Step 3: Cross multiply
    107,269.65x = 148,039.14 × 61,949.54
  4. Step 4: Simplify right side
    107,269.65x = 9,170,957,227.40
  5. Step 5: Solve for x
    x = 9,170,957,227.40/107,269.65
  6. Step 6: Final answer
    x = 85,494.43

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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.