Home / 74,644.77-103,010.89-40,654.83

Finding the Fourth Proportional to 74,644.77, 103,010.89 and 40,654.83

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Solution

The fourth proportional to 74,644.77, 103,010.89 and 40,654.83 is: 56,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,644.77 : 103,010.89 = 40,654.83 : x
  2. Step 2: Convert to fraction form
    74,644.77/103,010.89 = 40,654.83/x
  3. Step 3: Cross multiply
    74,644.77x = 103,010.89 × 40,654.83
  4. Step 4: Simplify right side
    74,644.77x = 4,187,890,221.10
  5. Step 5: Solve for x
    x = 4,187,890,221.10/74,644.77
  6. Step 6: Final answer
    x = 56,104.27

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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.