Home / 88,083.58-132,120.65-31,153.54

Finding the Fourth Proportional to 88,083.58, 132,120.65 and 31,153.54

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Solution

The fourth proportional to 88,083.58, 132,120.65 and 31,153.54 is: 46,728.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,083.58 : 132,120.65 = 31,153.54 : x
  2. Step 2: Convert to fraction form
    88,083.58/132,120.65 = 31,153.54/x
  3. Step 3: Cross multiply
    88,083.58x = 132,120.65 × 31,153.54
  4. Step 4: Simplify right side
    88,083.58x = 4,116,025,954.60
  5. Step 5: Solve for x
    x = 4,116,025,954.60/88,083.58
  6. Step 6: Final answer
    x = 46,728.64

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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.