Home / 112,815.54-169,167.78-46,237.56

Finding the Fourth Proportional to 112,815.54, 169,167.78 and 46,237.56

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Solution

The fourth proportional to 112,815.54, 169,167.78 and 46,237.56 is: 69,333.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,815.54 : 169,167.78 = 46,237.56 : x
  2. Step 2: Convert to fraction form
    112,815.54/169,167.78 = 46,237.56/x
  3. Step 3: Cross multiply
    112,815.54x = 169,167.78 × 46,237.56
  4. Step 4: Simplify right side
    112,815.54x = 7,821,905,377.82
  5. Step 5: Solve for x
    x = 7,821,905,377.82/112,815.54
  6. Step 6: Final answer
    x = 69,333.58

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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.