Home / 105,579.68-158,349.72-52,975.04

Finding the Fourth Proportional to 105,579.68, 158,349.72 and 52,975.04

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Solution

The fourth proportional to 105,579.68, 158,349.72 and 52,975.04 is: 79,452.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,579.68 : 158,349.72 = 52,975.04 : x
  2. Step 2: Convert to fraction form
    105,579.68/158,349.72 = 52,975.04/x
  3. Step 3: Cross multiply
    105,579.68x = 158,349.72 × 52,975.04
  4. Step 4: Simplify right side
    105,579.68x = 8,388,582,750.99
  5. Step 5: Solve for x
    x = 8,388,582,750.99/105,579.68
  6. Step 6: Final answer
    x = 79,452.63

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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.