Home / 74,644.27-103,010.20-40,654.33

Finding the Fourth Proportional to 74,644.27, 103,010.20 and 40,654.33

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Solution

The fourth proportional to 74,644.27, 103,010.20 and 40,654.33 is: 56,103.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,644.27 : 103,010.20 = 40,654.33 : x
  2. Step 2: Convert to fraction form
    74,644.27/103,010.20 = 40,654.33/x
  3. Step 3: Cross multiply
    74,644.27x = 103,010.20 × 40,654.33
  4. Step 4: Simplify right side
    74,644.27x = 4,187,810,305.00
  5. Step 5: Solve for x
    x = 4,187,810,305.00/74,644.27
  6. Step 6: Final answer
    x = 56,103.58

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1.5x scale

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.