Home / 118,051.82-176,948.87-58,121.54

Finding the Fourth Proportional to 118,051.82, 176,948.87 and 58,121.54

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Solution

The fourth proportional to 118,051.82, 176,948.87 and 58,121.54 is: 87,118.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,051.82 : 176,948.87 = 58,121.54 : x
  2. Step 2: Convert to fraction form
    118,051.82/176,948.87 = 58,121.54/x
  3. Step 3: Cross multiply
    118,051.82x = 176,948.87 × 58,121.54
  4. Step 4: Simplify right side
    118,051.82x = 10,284,539,650.31
  5. Step 5: Solve for x
    x = 10,284,539,650.31/118,051.82
  6. Step 6: Final answer
    x = 87,118.86

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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.