Home / 117,942.90-176,987.25-47,822.82

Finding the Fourth Proportional to 117,942.90, 176,987.25 and 47,822.82

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Solution

The fourth proportional to 117,942.90, 176,987.25 and 47,822.82 is: 71,763.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,942.90 : 176,987.25 = 47,822.82 : x
  2. Step 2: Convert to fraction form
    117,942.90/176,987.25 = 47,822.82/x
  3. Step 3: Cross multiply
    117,942.90x = 176,987.25 × 47,822.82
  4. Step 4: Simplify right side
    117,942.90x = 8,464,029,399.05
  5. Step 5: Solve for x
    x = 8,464,029,399.05/117,942.90
  6. Step 6: Final answer
    x = 71,763.79

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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.