Home / 82,279.21-123,335.70-32,394.31

Finding the Fourth Proportional to 82,279.21, 123,335.70 and 32,394.31

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Solution

The fourth proportional to 82,279.21, 123,335.70 and 32,394.31 is: 48,558.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,279.21 : 123,335.70 = 32,394.31 : x
  2. Step 2: Convert to fraction form
    82,279.21/123,335.70 = 32,394.31/x
  3. Step 3: Cross multiply
    82,279.21x = 123,335.70 × 32,394.31
  4. Step 4: Simplify right side
    82,279.21x = 3,995,374,899.87
  5. Step 5: Solve for x
    x = 3,995,374,899.87/82,279.21
  6. Step 6: Final answer
    x = 48,558.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.