Home / 54,245.76-74,863.77-31,591.86

Finding the Fourth Proportional to 54,245.76, 74,863.77 and 31,591.86

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Solution

The fourth proportional to 54,245.76, 74,863.77 and 31,591.86 is: 43,599.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,245.76 : 74,863.77 = 31,591.86 : x
  2. Step 2: Convert to fraction form
    54,245.76/74,863.77 = 31,591.86/x
  3. Step 3: Cross multiply
    54,245.76x = 74,863.77 × 31,591.86
  4. Step 4: Simplify right side
    54,245.76x = 2,365,085,740.91
  5. Step 5: Solve for x
    x = 2,365,085,740.91/54,245.76
  6. Step 6: Final answer
    x = 43,599.46

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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.