Home / 110,988.38-166,481.53-47,853.11

Finding the Fourth Proportional to 110,988.38, 166,481.53 and 47,853.11

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Solution

The fourth proportional to 110,988.38, 166,481.53 and 47,853.11 is: 71,779.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,988.38 : 166,481.53 = 47,853.11 : x
  2. Step 2: Convert to fraction form
    110,988.38/166,481.53 = 47,853.11/x
  3. Step 3: Cross multiply
    110,988.38x = 166,481.53 × 47,853.11
  4. Step 4: Simplify right side
    110,988.38x = 7,966,658,968.06
  5. Step 5: Solve for x
    x = 7,966,658,968.06/110,988.38
  6. Step 6: Final answer
    x = 71,779.22

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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.