Home / 81,562.60-122,339.22-22,394.08

Finding the Fourth Proportional to 81,562.60, 122,339.22 and 22,394.08

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Solution

The fourth proportional to 81,562.60, 122,339.22 and 22,394.08 is: 33,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,562.60 : 122,339.22 = 22,394.08 : x
  2. Step 2: Convert to fraction form
    81,562.60/122,339.22 = 22,394.08/x
  3. Step 3: Cross multiply
    81,562.60x = 122,339.22 × 22,394.08
  4. Step 4: Simplify right side
    81,562.60x = 2,739,674,279.82
  5. Step 5: Solve for x
    x = 2,739,674,279.82/81,562.60
  6. Step 6: Final answer
    x = 33,589.84

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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.