Home / 88,716.60-122,429.22-48,431.26

Finding the Fourth Proportional to 88,716.60, 122,429.22 and 48,431.26

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Solution

The fourth proportional to 88,716.60, 122,429.22 and 48,431.26 is: 66,835.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,716.60 : 122,429.22 = 48,431.26 : x
  2. Step 2: Convert to fraction form
    88,716.60/122,429.22 = 48,431.26/x
  3. Step 3: Cross multiply
    88,716.60x = 122,429.22 × 48,431.26
  4. Step 4: Simplify right side
    88,716.60x = 5,929,401,385.42
  5. Step 5: Solve for x
    x = 5,929,401,385.42/88,716.60
  6. Step 6: Final answer
    x = 66,835.31

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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.