Home / 167,929.79-251,927.91-47,987.82

Finding the Fourth Proportional to 167,929.79, 251,927.91 and 47,987.82

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Solution

The fourth proportional to 167,929.79, 251,927.91 and 47,987.82 is: 71,991.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,929.79 : 251,927.91 = 47,987.82 : x
  2. Step 2: Convert to fraction form
    167,929.79/251,927.91 = 47,987.82/x
  3. Step 3: Cross multiply
    167,929.79x = 251,927.91 × 47,987.82
  4. Step 4: Simplify right side
    167,929.79x = 12,089,471,198.06
  5. Step 5: Solve for x
    x = 12,089,471,198.06/167,929.79
  6. Step 6: Final answer
    x = 71,991.23

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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.