Home / 84,827.22-127,188.57-28,662.03

Finding the Fourth Proportional to 84,827.22, 127,188.57 and 28,662.03

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Solution

The fourth proportional to 84,827.22, 127,188.57 and 28,662.03 is: 42,975.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,827.22 : 127,188.57 = 28,662.03 : x
  2. Step 2: Convert to fraction form
    84,827.22/127,188.57 = 28,662.03/x
  3. Step 3: Cross multiply
    84,827.22x = 127,188.57 × 28,662.03
  4. Step 4: Simplify right side
    84,827.22x = 3,645,482,609.00
  5. Step 5: Solve for x
    x = 3,645,482,609.00/84,827.22
  6. Step 6: Final answer
    x = 42,975.39

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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.