Home / 81,536.76-122,304.06-22,372.38

Finding the Fourth Proportional to 81,536.76, 122,304.06 and 22,372.38

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Solution

The fourth proportional to 81,536.76, 122,304.06 and 22,372.38 is: 33,558.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,536.76 : 122,304.06 = 22,372.38 : x
  2. Step 2: Convert to fraction form
    81,536.76/122,304.06 = 22,372.38/x
  3. Step 3: Cross multiply
    81,536.76x = 122,304.06 × 22,372.38
  4. Step 4: Simplify right side
    81,536.76x = 2,736,232,905.86
  5. Step 5: Solve for x
    x = 2,736,232,905.86/81,536.76
  6. Step 6: Final answer
    x = 33,558.27

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1.5x scale

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.