Home / 86,607.97-129,915.57-27,442.33

Finding the Fourth Proportional to 86,607.97, 129,915.57 and 27,442.33

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Solution

The fourth proportional to 86,607.97, 129,915.57 and 27,442.33 is: 41,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,607.97 : 129,915.57 = 27,442.33 : x
  2. Step 2: Convert to fraction form
    86,607.97/129,915.57 = 27,442.33/x
  3. Step 3: Cross multiply
    86,607.97x = 129,915.57 × 27,442.33
  4. Step 4: Simplify right side
    86,607.97x = 3,565,185,944.08
  5. Step 5: Solve for x
    x = 3,565,185,944.08/86,607.97
  6. Step 6: Final answer
    x = 41,164.64

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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.