Home / 55,076.98-76,037.70-36,268.78

Finding the Fourth Proportional to 55,076.98, 76,037.70 and 36,268.78

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Solution

The fourth proportional to 55,076.98, 76,037.70 and 36,268.78 is: 50,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,076.98 : 76,037.70 = 36,268.78 : x
  2. Step 2: Convert to fraction form
    55,076.98/76,037.70 = 36,268.78/x
  3. Step 3: Cross multiply
    55,076.98x = 76,037.70 × 36,268.78
  4. Step 4: Simplify right side
    55,076.98x = 2,757,794,613.01
  5. Step 5: Solve for x
    x = 2,757,794,613.01/55,076.98
  6. Step 6: Final answer
    x = 50,071.64

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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.