Home / 74,722.76-103,118.10-41,189.96

Finding the Fourth Proportional to 74,722.76, 103,118.10 and 41,189.96

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Solution

The fourth proportional to 74,722.76, 103,118.10 and 41,189.96 is: 56,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,722.76 : 103,118.10 = 41,189.96 : x
  2. Step 2: Convert to fraction form
    74,722.76/103,118.10 = 41,189.96/x
  3. Step 3: Cross multiply
    74,722.76x = 103,118.10 × 41,189.96
  4. Step 4: Simplify right side
    74,722.76x = 4,247,430,414.28
  5. Step 5: Solve for x
    x = 4,247,430,414.28/74,722.76
  6. Step 6: Final answer
    x = 56,842.53

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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.