Home / 54,516.20-81,774.30-50,579.60

Finding the Fourth Proportional to 54,516.20, 81,774.30 and 50,579.60

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Solution

The fourth proportional to 54,516.20, 81,774.30 and 50,579.60 is: 75,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,516.20 : 81,774.30 = 50,579.60 : x
  2. Step 2: Convert to fraction form
    54,516.20/81,774.30 = 50,579.60/x
  3. Step 3: Cross multiply
    54,516.20x = 81,774.30 × 50,579.60
  4. Step 4: Simplify right side
    54,516.20x = 4,136,111,384.28
  5. Step 5: Solve for x
    x = 4,136,111,384.28/54,516.20
  6. Step 6: Final answer
    x = 75,869.40

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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.