Home / 54,136.60-81,199.66-16,686.62

Finding the Fourth Proportional to 54,136.60, 81,199.66 and 16,686.62

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Solution

The fourth proportional to 54,136.60, 81,199.66 and 16,686.62 is: 25,028.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,136.60 : 81,199.66 = 16,686.62 : x
  2. Step 2: Convert to fraction form
    54,136.60/81,199.66 = 16,686.62/x
  3. Step 3: Cross multiply
    54,136.60x = 81,199.66 × 16,686.62
  4. Step 4: Simplify right side
    54,136.60x = 1,354,947,870.55
  5. Step 5: Solve for x
    x = 1,354,947,870.55/54,136.60
  6. Step 6: Final answer
    x = 25,028.31

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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.