Home / 111,042.37-166,637.36-51,882.65

Finding the Fourth Proportional to 111,042.37, 166,637.36 and 51,882.65

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Solution

The fourth proportional to 111,042.37, 166,637.36 and 51,882.65 is: 77,858.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,042.37 : 166,637.36 = 51,882.65 : x
  2. Step 2: Convert to fraction form
    111,042.37/166,637.36 = 51,882.65/x
  3. Step 3: Cross multiply
    111,042.37x = 166,637.36 × 51,882.65
  4. Step 4: Simplify right side
    111,042.37x = 8,645,588,372.10
  5. Step 5: Solve for x
    x = 8,645,588,372.10/111,042.37
  6. Step 6: Final answer
    x = 77,858.47

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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.