Home / 109,764.16-164,514.08-50,518.72

Finding the Fourth Proportional to 109,764.16, 164,514.08 and 50,518.72

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Solution

The fourth proportional to 109,764.16, 164,514.08 and 50,518.72 is: 75,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,764.16 : 164,514.08 = 50,518.72 : x
  2. Step 2: Convert to fraction form
    109,764.16/164,514.08 = 50,518.72/x
  3. Step 3: Cross multiply
    109,764.16x = 164,514.08 × 50,518.72
  4. Step 4: Simplify right side
    109,764.16x = 8,311,040,743.58
  5. Step 5: Solve for x
    x = 8,311,040,743.58/109,764.16
  6. Step 6: Final answer
    x = 75,717.25

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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.