Home / 124,923.97-187,085.70-71,453.85

Finding the Fourth Proportional to 124,923.97, 187,085.70 and 71,453.85

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Solution

The fourth proportional to 124,923.97, 187,085.70 and 71,453.85 is: 107,009.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,923.97 : 187,085.70 = 71,453.85 : x
  2. Step 2: Convert to fraction form
    124,923.97/187,085.70 = 71,453.85/x
  3. Step 3: Cross multiply
    124,923.97x = 187,085.70 × 71,453.85
  4. Step 4: Simplify right side
    124,923.97x = 13,367,992,843.37
  5. Step 5: Solve for x
    x = 13,367,992,843.37/124,923.97
  6. Step 6: Final answer
    x = 107,009.03

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1.5x scale

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.