Home / 60,136.26-90,213.03-18,586.50

Finding the Fourth Proportional to 60,136.26, 90,213.03 and 18,586.50

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Solution

The fourth proportional to 60,136.26, 90,213.03 and 18,586.50 is: 27,882.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,136.26 : 90,213.03 = 18,586.50 : x
  2. Step 2: Convert to fraction form
    60,136.26/90,213.03 = 18,586.50/x
  3. Step 3: Cross multiply
    60,136.26x = 90,213.03 × 18,586.50
  4. Step 4: Simplify right side
    60,136.26x = 1,676,744,482.10
  5. Step 5: Solve for x
    x = 1,676,744,482.10/60,136.26
  6. Step 6: Final answer
    x = 27,882.42

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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.