Home / 82,475.96-123,658.45-38,078.24

Finding the Fourth Proportional to 82,475.96, 123,658.45 and 38,078.24

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Solution

The fourth proportional to 82,475.96, 123,658.45 and 38,078.24 is: 57,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,475.96 : 123,658.45 = 38,078.24 : x
  2. Step 2: Convert to fraction form
    82,475.96/123,658.45 = 38,078.24/x
  3. Step 3: Cross multiply
    82,475.96x = 123,658.45 × 38,078.24
  4. Step 4: Simplify right side
    82,475.96x = 4,708,695,423.64
  5. Step 5: Solve for x
    x = 4,708,695,423.64/82,475.96
  6. Step 6: Final answer
    x = 57,091.74

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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.