Home / 110,987.93-166,506.55-51,791.31

Finding the Fourth Proportional to 110,987.93, 166,506.55 and 51,791.31

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Solution

The fourth proportional to 110,987.93, 166,506.55 and 51,791.31 is: 77,698.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,987.93 : 166,506.55 = 51,791.31 : x
  2. Step 2: Convert to fraction form
    110,987.93/166,506.55 = 51,791.31/x
  3. Step 3: Cross multiply
    110,987.93x = 166,506.55 × 51,791.31
  4. Step 4: Simplify right side
    110,987.93x = 8,623,592,218.60
  5. Step 5: Solve for x
    x = 8,623,592,218.60/110,987.93
  6. Step 6: Final answer
    x = 77,698.47

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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.