Home / 76,412.34-114,469.40-50,037.12

Finding the Fourth Proportional to 76,412.34, 114,469.40 and 50,037.12

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Solution

The fourth proportional to 76,412.34, 114,469.40 and 50,037.12 is: 74,958.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,412.34 : 114,469.40 = 50,037.12 : x
  2. Step 2: Convert to fraction form
    76,412.34/114,469.40 = 50,037.12/x
  3. Step 3: Cross multiply
    76,412.34x = 114,469.40 × 50,037.12
  4. Step 4: Simplify right side
    76,412.34x = 5,727,718,907.28
  5. Step 5: Solve for x
    x = 5,727,718,907.28/76,412.34
  6. Step 6: Final answer
    x = 74,958.04

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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.