Home / 113,633.78-156,815.73-62,648.54

Finding the Fourth Proportional to 113,633.78, 156,815.73 and 62,648.54

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Solution

The fourth proportional to 113,633.78, 156,815.73 and 62,648.54 is: 86,455.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,633.78 : 156,815.73 = 62,648.54 : x
  2. Step 2: Convert to fraction form
    113,633.78/156,815.73 = 62,648.54/x
  3. Step 3: Cross multiply
    113,633.78x = 156,815.73 × 62,648.54
  4. Step 4: Simplify right side
    113,633.78x = 9,824,275,436.21
  5. Step 5: Solve for x
    x = 9,824,275,436.21/113,633.78
  6. Step 6: Final answer
    x = 86,455.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.