Home / 74,742.76-103,145.78-41,209.96

Finding the Fourth Proportional to 74,742.76, 103,145.78 and 41,209.96

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Solution

The fourth proportional to 74,742.76, 103,145.78 and 41,209.96 is: 56,870.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,742.76 : 103,145.78 = 41,209.96 : x
  2. Step 2: Convert to fraction form
    74,742.76/103,145.78 = 41,209.96/x
  3. Step 3: Cross multiply
    74,742.76x = 103,145.78 × 41,209.96
  4. Step 4: Simplify right side
    74,742.76x = 4,250,633,467.97
  5. Step 5: Solve for x
    x = 4,250,633,467.97/74,742.76
  6. Step 6: Final answer
    x = 56,870.17

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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.