Home / 81,624.03-122,483.31-34,234.90

Finding the Fourth Proportional to 81,624.03, 122,483.31 and 34,234.90

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Solution

The fourth proportional to 81,624.03, 122,483.31 and 34,234.90 is: 51,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,624.03 : 122,483.31 = 34,234.90 : x
  2. Step 2: Convert to fraction form
    81,624.03/122,483.31 = 34,234.90/x
  3. Step 3: Cross multiply
    81,624.03x = 122,483.31 × 34,234.90
  4. Step 4: Simplify right side
    81,624.03x = 4,193,204,412.76
  5. Step 5: Solve for x
    x = 4,193,204,412.76/81,624.03
  6. Step 6: Final answer
    x = 51,372.18

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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.