Home / 40,784.97-61,167.96-11,205.18

Finding the Fourth Proportional to 40,784.97, 61,167.96 and 11,205.18

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Solution

The fourth proportional to 40,784.97, 61,167.96 and 11,205.18 is: 16,805.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,784.97 : 61,167.96 = 11,205.18 : x
  2. Step 2: Convert to fraction form
    40,784.97/61,167.96 = 11,205.18/x
  3. Step 3: Cross multiply
    40,784.97x = 61,167.96 × 11,205.18
  4. Step 4: Simplify right side
    40,784.97x = 685,398,002.03
  5. Step 5: Solve for x
    x = 685,398,002.03/40,784.97
  6. Step 6: Final answer
    x = 16,805.16

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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.