Home / 55,944.80-83,917.20-51,279.20

Finding the Fourth Proportional to 55,944.80, 83,917.20 and 51,279.20

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Solution

The fourth proportional to 55,944.80, 83,917.20 and 51,279.20 is: 76,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,944.80 : 83,917.20 = 51,279.20 : x
  2. Step 2: Convert to fraction form
    55,944.80/83,917.20 = 51,279.20/x
  3. Step 3: Cross multiply
    55,944.80x = 83,917.20 × 51,279.20
  4. Step 4: Simplify right side
    55,944.80x = 4,303,206,882.24
  5. Step 5: Solve for x
    x = 4,303,206,882.24/55,944.80
  6. Step 6: Final answer
    x = 76,918.80

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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.