Home / 43,103.84-64,589.94-18,130.22

Finding the Fourth Proportional to 43,103.84, 64,589.94 and 18,130.22

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Solution

The fourth proportional to 43,103.84, 64,589.94 and 18,130.22 is: 27,167.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,103.84 : 64,589.94 = 18,130.22 : x
  2. Step 2: Convert to fraction form
    43,103.84/64,589.94 = 18,130.22/x
  3. Step 3: Cross multiply
    43,103.84x = 64,589.94 × 18,130.22
  4. Step 4: Simplify right side
    43,103.84x = 1,171,029,821.99
  5. Step 5: Solve for x
    x = 1,171,029,821.99/43,103.84
  6. Step 6: Final answer
    x = 27,167.64

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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.