Home / 76,529.38-114,795.23-29,147.10

Finding the Fourth Proportional to 76,529.38, 114,795.23 and 29,147.10

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Solution

The fourth proportional to 76,529.38, 114,795.23 and 29,147.10 is: 43,721.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,529.38 : 114,795.23 = 29,147.10 : x
  2. Step 2: Convert to fraction form
    76,529.38/114,795.23 = 29,147.10/x
  3. Step 3: Cross multiply
    76,529.38x = 114,795.23 × 29,147.10
  4. Step 4: Simplify right side
    76,529.38x = 3,345,947,851.31
  5. Step 5: Solve for x
    x = 3,345,947,851.31/76,529.38
  6. Step 6: Final answer
    x = 43,721.09

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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.