Home / 54,151.61-81,221.99-16,701.53

Finding the Fourth Proportional to 54,151.61, 81,221.99 and 16,701.53

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Solution

The fourth proportional to 54,151.61, 81,221.99 and 16,701.53 is: 25,050.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,151.61 : 81,221.99 = 16,701.53 : x
  2. Step 2: Convert to fraction form
    54,151.61/81,221.99 = 16,701.53/x
  3. Step 3: Cross multiply
    54,151.61x = 81,221.99 × 16,701.53
  4. Step 4: Simplify right side
    54,151.61x = 1,356,531,013.03
  5. Step 5: Solve for x
    x = 1,356,531,013.03/54,151.61
  6. Step 6: Final answer
    x = 25,050.62

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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.