Home / 45,216.43-67,827.88-11,936.16

Finding the Fourth Proportional to 45,216.43, 67,827.88 and 11,936.16

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Solution

The fourth proportional to 45,216.43, 67,827.88 and 11,936.16 is: 17,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,216.43 : 67,827.88 = 11,936.16 : x
  2. Step 2: Convert to fraction form
    45,216.43/67,827.88 = 11,936.16/x
  3. Step 3: Cross multiply
    45,216.43x = 67,827.88 × 11,936.16
  4. Step 4: Simplify right side
    45,216.43x = 809,604,443.06
  5. Step 5: Solve for x
    x = 809,604,443.06/45,216.43
  6. Step 6: Final answer
    x = 17,905.10

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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.