Home / 82,633.52-123,783.96-38,199.08

Finding the Fourth Proportional to 82,633.52, 123,783.96 and 38,199.08

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Solution

The fourth proportional to 82,633.52, 123,783.96 and 38,199.08 is: 57,221.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,633.52 : 123,783.96 = 38,199.08 : x
  2. Step 2: Convert to fraction form
    82,633.52/123,783.96 = 38,199.08/x
  3. Step 3: Cross multiply
    82,633.52x = 123,783.96 × 38,199.08
  4. Step 4: Simplify right side
    82,633.52x = 4,728,433,390.76
  5. Step 5: Solve for x
    x = 4,728,433,390.76/82,633.52
  6. Step 6: Final answer
    x = 57,221.74

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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.