Home / 88,725.73-122,436-48,431.26

Finding the Fourth Proportional to 88,725.73, 122,436 and 48,431.26

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Solution

The fourth proportional to 88,725.73, 122,436 and 48,431.26 is: 66,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,725.73 : 122,436 = 48,431.26 : x
  2. Step 2: Convert to fraction form
    88,725.73/122,436 = 48,431.26/x
  3. Step 3: Cross multiply
    88,725.73x = 122,436 × 48,431.26
  4. Step 4: Simplify right side
    88,725.73x = 5,929,729,749.36
  5. Step 5: Solve for x
    x = 5,929,729,749.36/88,725.73
  6. Step 6: Final answer
    x = 66,832.13

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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.