Home / 88,639.36-122,324.04-48,354.60

Finding the Fourth Proportional to 88,639.36, 122,324.04 and 48,354.60

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Solution

The fourth proportional to 88,639.36, 122,324.04 and 48,354.60 is: 66,730.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,639.36 : 122,324.04 = 48,354.60 : x
  2. Step 2: Convert to fraction form
    88,639.36/122,324.04 = 48,354.60/x
  3. Step 3: Cross multiply
    88,639.36x = 122,324.04 × 48,354.60
  4. Step 4: Simplify right side
    88,639.36x = 5,914,930,024.58
  5. Step 5: Solve for x
    x = 5,914,930,024.58/88,639.36
  6. Step 6: Final answer
    x = 66,730.29

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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.