Home / 54,616.22-81,928.88-14,640.90

Finding the Fourth Proportional to 54,616.22, 81,928.88 and 14,640.90

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Solution

The fourth proportional to 54,616.22, 81,928.88 and 14,640.90 is: 21,962.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,616.22 : 81,928.88 = 14,640.90 : x
  2. Step 2: Convert to fraction form
    54,616.22/81,928.88 = 14,640.90/x
  3. Step 3: Cross multiply
    54,616.22x = 81,928.88 × 14,640.90
  4. Step 4: Simplify right side
    54,616.22x = 1,199,512,539.19
  5. Step 5: Solve for x
    x = 1,199,512,539.19/54,616.22
  6. Step 6: Final answer
    x = 21,962.57

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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.