Home / 75,709.38-113,575.05-23,112.03

Finding the Fourth Proportional to 75,709.38, 113,575.05 and 23,112.03

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Solution

The fourth proportional to 75,709.38, 113,575.05 and 23,112.03 is: 34,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,709.38 : 113,575.05 = 23,112.03 : x
  2. Step 2: Convert to fraction form
    75,709.38/113,575.05 = 23,112.03/x
  3. Step 3: Cross multiply
    75,709.38x = 113,575.05 × 23,112.03
  4. Step 4: Simplify right side
    75,709.38x = 2,624,949,962.85
  5. Step 5: Solve for x
    x = 2,624,949,962.85/75,709.38
  6. Step 6: Final answer
    x = 34,671.40

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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.