Home / 85,292.02-117,664.94-49,461.27

Finding the Fourth Proportional to 85,292.02, 117,664.94 and 49,461.27

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Solution

The fourth proportional to 85,292.02, 117,664.94 and 49,461.27 is: 68,234.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,292.02 : 117,664.94 = 49,461.27 : x
  2. Step 2: Convert to fraction form
    85,292.02/117,664.94 = 49,461.27/x
  3. Step 3: Cross multiply
    85,292.02x = 117,664.94 × 49,461.27
  4. Step 4: Simplify right side
    85,292.02x = 5,819,857,049.28
  5. Step 5: Solve for x
    x = 5,819,857,049.28/85,292.02
  6. Step 6: Final answer
    x = 68,234.48

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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.