Home / 85,049.66-117,353.40-49,237.94

Finding the Fourth Proportional to 85,049.66, 117,353.40 and 49,237.94

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Solution

The fourth proportional to 85,049.66, 117,353.40 and 49,237.94 is: 67,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,049.66 : 117,353.40 = 49,237.94 : x
  2. Step 2: Convert to fraction form
    85,049.66/117,353.40 = 49,237.94/x
  3. Step 3: Cross multiply
    85,049.66x = 117,353.40 × 49,237.94
  4. Step 4: Simplify right side
    85,049.66x = 5,778,239,668.00
  5. Step 5: Solve for x
    x = 5,778,239,668.00/85,049.66
  6. Step 6: Final answer
    x = 67,939.60

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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.