Home / 110,930.90-166,386.92-47,748.48

Finding the Fourth Proportional to 110,930.90, 166,386.92 and 47,748.48

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Solution

The fourth proportional to 110,930.90, 166,386.92 and 47,748.48 is: 71,618.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,930.90 : 166,386.92 = 47,748.48 : x
  2. Step 2: Convert to fraction form
    110,930.90/166,386.92 = 47,748.48/x
  3. Step 3: Cross multiply
    110,930.90x = 166,386.92 × 47,748.48
  4. Step 4: Simplify right side
    110,930.90x = 7,944,722,521.88
  5. Step 5: Solve for x
    x = 7,944,722,521.88/110,930.90
  6. Step 6: Final answer
    x = 71,618.66

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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.