Home / 86,585.30-119,514.93-50,789.78

Finding the Fourth Proportional to 86,585.30, 119,514.93 and 50,789.78

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Solution

The fourth proportional to 86,585.30, 119,514.93 and 50,789.78 is: 70,105.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,585.30 : 119,514.93 = 50,789.78 : x
  2. Step 2: Convert to fraction form
    86,585.30/119,514.93 = 50,789.78/x
  3. Step 3: Cross multiply
    86,585.30x = 119,514.93 × 50,789.78
  4. Step 4: Simplify right side
    86,585.30x = 6,070,137,001.42
  5. Step 5: Solve for x
    x = 6,070,137,001.42/86,585.30
  6. Step 6: Final answer
    x = 70,105.86

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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.