Home / 55,980.12-77,249.34-33,619.80

Finding the Fourth Proportional to 55,980.12, 77,249.34 and 33,619.80

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Solution

The fourth proportional to 55,980.12, 77,249.34 and 33,619.80 is: 46,393.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,980.12 : 77,249.34 = 33,619.80 : x
  2. Step 2: Convert to fraction form
    55,980.12/77,249.34 = 33,619.80/x
  3. Step 3: Cross multiply
    55,980.12x = 77,249.34 × 33,619.80
  4. Step 4: Simplify right side
    55,980.12x = 2,597,107,360.93
  5. Step 5: Solve for x
    x = 2,597,107,360.93/55,980.12
  6. Step 6: Final answer
    x = 46,393.39

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1.5x scale

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.