Home / 79,792.53-119,679.48-20,623.56

Finding the Fourth Proportional to 79,792.53, 119,679.48 and 20,623.56

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Solution

The fourth proportional to 79,792.53, 119,679.48 and 20,623.56 is: 30,932.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,792.53 : 119,679.48 = 20,623.56 : x
  2. Step 2: Convert to fraction form
    79,792.53/119,679.48 = 20,623.56/x
  3. Step 3: Cross multiply
    79,792.53x = 119,679.48 × 20,623.56
  4. Step 4: Simplify right side
    79,792.53x = 2,468,216,936.55
  5. Step 5: Solve for x
    x = 2,468,216,936.55/79,792.53
  6. Step 6: Final answer
    x = 30,932.93

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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.