Home / 85,005.60-127,508.49-22,676.10

Finding the Fourth Proportional to 85,005.60, 127,508.49 and 22,676.10

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Solution

The fourth proportional to 85,005.60, 127,508.49 and 22,676.10 is: 34,014.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,005.60 : 127,508.49 = 22,676.10 : x
  2. Step 2: Convert to fraction form
    85,005.60/127,508.49 = 22,676.10/x
  3. Step 3: Cross multiply
    85,005.60x = 127,508.49 × 22,676.10
  4. Step 4: Simplify right side
    85,005.60x = 2,891,395,270.09
  5. Step 5: Solve for x
    x = 2,891,395,270.09/85,005.60
  6. Step 6: Final answer
    x = 34,014.17

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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.