Home / 54,136.86-81,209.40-14,697.05

Finding the Fourth Proportional to 54,136.86, 81,209.40 and 14,697.05

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Solution

The fourth proportional to 54,136.86, 81,209.40 and 14,697.05 is: 22,046.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,136.86 : 81,209.40 = 14,697.05 : x
  2. Step 2: Convert to fraction form
    54,136.86/81,209.40 = 14,697.05/x
  3. Step 3: Cross multiply
    54,136.86x = 81,209.40 × 14,697.05
  4. Step 4: Simplify right side
    54,136.86x = 1,193,538,612.27
  5. Step 5: Solve for x
    x = 1,193,538,612.27/54,136.86
  6. Step 6: Final answer
    x = 22,046.69

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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.