Home / 74,128.75-111,199.96-24,209.11

Finding the Fourth Proportional to 74,128.75, 111,199.96 and 24,209.11

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Solution

The fourth proportional to 74,128.75, 111,199.96 and 24,209.11 is: 36,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,128.75 : 111,199.96 = 24,209.11 : x
  2. Step 2: Convert to fraction form
    74,128.75/111,199.96 = 24,209.11/x
  3. Step 3: Cross multiply
    74,128.75x = 111,199.96 × 24,209.11
  4. Step 4: Simplify right side
    74,128.75x = 2,692,052,096.72
  5. Step 5: Solve for x
    x = 2,692,052,096.72/74,128.75
  6. Step 6: Final answer
    x = 36,315.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.