Home / 58,076.97-79,624.43-57,027.21

Finding the Fourth Proportional to 58,076.97, 79,624.43 and 57,027.21

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Solution

The fourth proportional to 58,076.97, 79,624.43 and 57,027.21 is: 78,185.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,076.97 : 79,624.43 = 57,027.21 : x
  2. Step 2: Convert to fraction form
    58,076.97/79,624.43 = 57,027.21/x
  3. Step 3: Cross multiply
    58,076.97x = 79,624.43 × 57,027.21
  4. Step 4: Simplify right side
    58,076.97x = 4,540,758,805.60
  5. Step 5: Solve for x
    x = 4,540,758,805.60/58,076.97
  6. Step 6: Final answer
    x = 78,185.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.