Home / 77,048.46-115,581.20-32,679.09

Finding the Fourth Proportional to 77,048.46, 115,581.20 and 32,679.09

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Solution

The fourth proportional to 77,048.46, 115,581.20 and 32,679.09 is: 49,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,048.46 : 115,581.20 = 32,679.09 : x
  2. Step 2: Convert to fraction form
    77,048.46/115,581.20 = 32,679.09/x
  3. Step 3: Cross multiply
    77,048.46x = 115,581.20 × 32,679.09
  4. Step 4: Simplify right side
    77,048.46x = 3,777,088,273.71
  5. Step 5: Solve for x
    x = 3,777,088,273.71/77,048.46
  6. Step 6: Final answer
    x = 49,022.24

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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.