Home / 54,136.48-81,200.16-18,594.88

Finding the Fourth Proportional to 54,136.48, 81,200.16 and 18,594.88

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Solution

The fourth proportional to 54,136.48, 81,200.16 and 18,594.88 is: 27,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,136.48 : 81,200.16 = 18,594.88 : x
  2. Step 2: Convert to fraction form
    54,136.48/81,200.16 = 18,594.88/x
  3. Step 3: Cross multiply
    54,136.48x = 81,200.16 × 18,594.88
  4. Step 4: Simplify right side
    54,136.48x = 1,509,907,231.18
  5. Step 5: Solve for x
    x = 1,509,907,231.18/54,136.48
  6. Step 6: Final answer
    x = 27,890.75

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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.