Home / 82,067.10-113,177.42-53,788.38

Finding the Fourth Proportional to 82,067.10, 113,177.42 and 53,788.38

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Solution

The fourth proportional to 82,067.10, 113,177.42 and 53,788.38 is: 74,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,067.10 : 113,177.42 = 53,788.38 : x
  2. Step 2: Convert to fraction form
    82,067.10/113,177.42 = 53,788.38/x
  3. Step 3: Cross multiply
    82,067.10x = 113,177.42 × 53,788.38
  4. Step 4: Simplify right side
    82,067.10x = 6,087,630,074.38
  5. Step 5: Solve for x
    x = 6,087,630,074.38/82,067.10
  6. Step 6: Final answer
    x = 74,178.69

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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.