Home / 62,939.76-86,884.08-45,003.60

Finding the Fourth Proportional to 62,939.76, 86,884.08 and 45,003.60

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Solution

The fourth proportional to 62,939.76, 86,884.08 and 45,003.60 is: 62,124.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,939.76 : 86,884.08 = 45,003.60 : x
  2. Step 2: Convert to fraction form
    62,939.76/86,884.08 = 45,003.60/x
  3. Step 3: Cross multiply
    62,939.76x = 86,884.08 × 45,003.60
  4. Step 4: Simplify right side
    62,939.76x = 3,910,096,382.69
  5. Step 5: Solve for x
    x = 3,910,096,382.69/62,939.76
  6. Step 6: Final answer
    x = 62,124.42

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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.