Home / 75,902.57-113,859.32-29,155.45

Finding the Fourth Proportional to 75,902.57, 113,859.32 and 29,155.45

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Solution

The fourth proportional to 75,902.57, 113,859.32 and 29,155.45 is: 43,735.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,902.57 : 113,859.32 = 29,155.45 : x
  2. Step 2: Convert to fraction form
    75,902.57/113,859.32 = 29,155.45/x
  3. Step 3: Cross multiply
    75,902.57x = 113,859.32 × 29,155.45
  4. Step 4: Simplify right side
    75,902.57x = 3,319,619,711.29
  5. Step 5: Solve for x
    x = 3,319,619,711.29/75,902.57
  6. Step 6: Final answer
    x = 43,735.27

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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.