Home / 89,107.48-122,968.31-48,822.77

Finding the Fourth Proportional to 89,107.48, 122,968.31 and 48,822.77

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Solution

The fourth proportional to 89,107.48, 122,968.31 and 48,822.77 is: 67,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,107.48 : 122,968.31 = 48,822.77 : x
  2. Step 2: Convert to fraction form
    89,107.48/122,968.31 = 48,822.77/x
  3. Step 3: Cross multiply
    89,107.48x = 122,968.31 × 48,822.77
  4. Step 4: Simplify right side
    89,107.48x = 6,003,653,516.42
  5. Step 5: Solve for x
    x = 6,003,653,516.42/89,107.48
  6. Step 6: Final answer
    x = 67,375.42

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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.