Home / 56,021.58-77,329.60-50,042.86

Finding the Fourth Proportional to 56,021.58, 77,329.60 and 50,042.86

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Solution

The fourth proportional to 56,021.58, 77,329.60 and 50,042.86 is: 69,076.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,021.58 : 77,329.60 = 50,042.86 : x
  2. Step 2: Convert to fraction form
    56,021.58/77,329.60 = 50,042.86/x
  3. Step 3: Cross multiply
    56,021.58x = 77,329.60 × 50,042.86
  4. Step 4: Simplify right side
    56,021.58x = 3,869,794,346.66
  5. Step 5: Solve for x
    x = 3,869,794,346.66/56,021.58
  6. Step 6: Final answer
    x = 69,076.85

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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.