Home / 86,992.02-120,044.97-49,266.54

Finding the Fourth Proportional to 86,992.02, 120,044.97 and 49,266.54

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Solution

The fourth proportional to 86,992.02, 120,044.97 and 49,266.54 is: 67,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,992.02 : 120,044.97 = 49,266.54 : x
  2. Step 2: Convert to fraction form
    86,992.02/120,044.97 = 49,266.54/x
  3. Step 3: Cross multiply
    86,992.02x = 120,044.97 × 49,266.54
  4. Step 4: Simplify right side
    86,992.02x = 5,914,200,316.30
  5. Step 5: Solve for x
    x = 5,914,200,316.30/86,992.02
  6. Step 6: Final answer
    x = 67,985.55

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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.