Home / 81,749.50-122,623.03-22,583.86

Finding the Fourth Proportional to 81,749.50, 122,623.03 and 22,583.86

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Solution

The fourth proportional to 81,749.50, 122,623.03 and 22,583.86 is: 33,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,749.50 : 122,623.03 = 22,583.86 : x
  2. Step 2: Convert to fraction form
    81,749.50/122,623.03 = 22,583.86/x
  3. Step 3: Cross multiply
    81,749.50x = 122,623.03 × 22,583.86
  4. Step 4: Simplify right side
    81,749.50x = 2,769,301,342.30
  5. Step 5: Solve for x
    x = 2,769,301,342.30/81,749.50
  6. Step 6: Final answer
    x = 33,875.45

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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.