Home / 115,968.60-173,823.30-66,072.60

Finding the Fourth Proportional to 115,968.60, 173,823.30 and 66,072.60

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Solution

The fourth proportional to 115,968.60, 173,823.30 and 66,072.60 is: 99,035.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,968.60 : 173,823.30 = 66,072.60 : x
  2. Step 2: Convert to fraction form
    115,968.60/173,823.30 = 66,072.60/x
  3. Step 3: Cross multiply
    115,968.60x = 173,823.30 × 66,072.60
  4. Step 4: Simplify right side
    115,968.60x = 11,484,957,371.58
  5. Step 5: Solve for x
    x = 11,484,957,371.58/115,968.60
  6. Step 6: Final answer
    x = 99,035.06

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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.