Home / 81,534.30-122,288.34-22,356.24

Finding the Fourth Proportional to 81,534.30, 122,288.34 and 22,356.24

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Solution

The fourth proportional to 81,534.30, 122,288.34 and 22,356.24 is: 33,530.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,534.30 : 122,288.34 = 22,356.24 : x
  2. Step 2: Convert to fraction form
    81,534.30/122,288.34 = 22,356.24/x
  3. Step 3: Cross multiply
    81,534.30x = 122,288.34 × 22,356.24
  4. Step 4: Simplify right side
    81,534.30x = 2,733,907,478.24
  5. Step 5: Solve for x
    x = 2,733,907,478.24/81,534.30
  6. Step 6: Final answer
    x = 33,530.77

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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.