Home / 82,606.14-123,909.33-20,276.64

Finding the Fourth Proportional to 82,606.14, 123,909.33 and 20,276.64

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Solution

The fourth proportional to 82,606.14, 123,909.33 and 20,276.64 is: 30,414.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,606.14 : 123,909.33 = 20,276.64 : x
  2. Step 2: Convert to fraction form
    82,606.14/123,909.33 = 20,276.64/x
  3. Step 3: Cross multiply
    82,606.14x = 123,909.33 × 20,276.64
  4. Step 4: Simplify right side
    82,606.14x = 2,512,464,953.09
  5. Step 5: Solve for x
    x = 2,512,464,953.09/82,606.14
  6. Step 6: Final answer
    x = 30,414.99

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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.