Home / 111,010.20-166,514.40-47,874.96

Finding the Fourth Proportional to 111,010.20, 166,514.40 and 47,874.96

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Solution

The fourth proportional to 111,010.20, 166,514.40 and 47,874.96 is: 71,812.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,010.20 : 166,514.40 = 47,874.96 : x
  2. Step 2: Convert to fraction form
    111,010.20/166,514.40 = 47,874.96/x
  3. Step 3: Cross multiply
    111,010.20x = 166,514.40 × 47,874.96
  4. Step 4: Simplify right side
    111,010.20x = 7,971,870,239.42
  5. Step 5: Solve for x
    x = 7,971,870,239.42/111,010.20
  6. Step 6: Final answer
    x = 71,812.05

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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.