Home / 50,579.89-75,869.88-13,136.83

Finding the Fourth Proportional to 50,579.89, 75,869.88 and 13,136.83

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Solution

The fourth proportional to 50,579.89, 75,869.88 and 13,136.83 is: 19,705.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,579.89 : 75,869.88 = 13,136.83 : x
  2. Step 2: Convert to fraction form
    50,579.89/75,869.88 = 13,136.83/x
  3. Step 3: Cross multiply
    50,579.89x = 75,869.88 × 13,136.83
  4. Step 4: Simplify right side
    50,579.89x = 996,689,526.01
  5. Step 5: Solve for x
    x = 996,689,526.01/50,579.89
  6. Step 6: Final answer
    x = 19,705.25

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1.5x scale

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.