Home / 50,514.38-75,656.86-39,178.72

Finding the Fourth Proportional to 50,514.38, 75,656.86 and 39,178.72

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Solution

The fourth proportional to 50,514.38, 75,656.86 and 39,178.72 is: 58,679.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,514.38 : 75,656.86 = 39,178.72 : x
  2. Step 2: Convert to fraction form
    50,514.38/75,656.86 = 39,178.72/x
  3. Step 3: Cross multiply
    50,514.38x = 75,656.86 × 39,178.72
  4. Step 4: Simplify right side
    50,514.38x = 2,964,138,934.02
  5. Step 5: Solve for x
    x = 2,964,138,934.02/50,514.38
  6. Step 6: Final answer
    x = 58,679.11

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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.