Home / 81,518.52-122,277.96-22,355.04

Finding the Fourth Proportional to 81,518.52, 122,277.96 and 22,355.04

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Solution

The fourth proportional to 81,518.52, 122,277.96 and 22,355.04 is: 33,532.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,518.52 : 122,277.96 = 22,355.04 : x
  2. Step 2: Convert to fraction form
    81,518.52/122,277.96 = 22,355.04/x
  3. Step 3: Cross multiply
    81,518.52x = 122,277.96 × 22,355.04
  4. Step 4: Simplify right side
    81,518.52x = 2,733,528,686.92
  5. Step 5: Solve for x
    x = 2,733,528,686.92/81,518.52
  6. Step 6: Final answer
    x = 33,532.61

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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.