Home / 62,939.73-94,387.10-20,812.03

Finding the Fourth Proportional to 62,939.73, 94,387.10 and 20,812.03

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Solution

The fourth proportional to 62,939.73, 94,387.10 and 20,812.03 is: 31,210.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,939.73 : 94,387.10 = 20,812.03 : x
  2. Step 2: Convert to fraction form
    62,939.73/94,387.10 = 20,812.03/x
  3. Step 3: Cross multiply
    62,939.73x = 94,387.10 × 20,812.03
  4. Step 4: Simplify right side
    62,939.73x = 1,964,387,248.78
  5. Step 5: Solve for x
    x = 1,964,387,248.78/62,939.73
  6. Step 6: Final answer
    x = 31,210.61

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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.