Home / 74,755.38-103,162.05-41,221.38

Finding the Fourth Proportional to 74,755.38, 103,162.05 and 41,221.38

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Solution

The fourth proportional to 74,755.38, 103,162.05 and 41,221.38 is: 56,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,755.38 : 103,162.05 = 41,221.38 : x
  2. Step 2: Convert to fraction form
    74,755.38/103,162.05 = 41,221.38/x
  3. Step 3: Cross multiply
    74,755.38x = 103,162.05 × 41,221.38
  4. Step 4: Simplify right side
    74,755.38x = 4,252,482,064.63
  5. Step 5: Solve for x
    x = 4,252,482,064.63/74,755.38
  6. Step 6: Final answer
    x = 56,885.30

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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.