Home / 81,546.12-122,319.27-22,382.24

Finding the Fourth Proportional to 81,546.12, 122,319.27 and 22,382.24

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Solution

The fourth proportional to 81,546.12, 122,319.27 and 22,382.24 is: 33,573.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,546.12 : 122,319.27 = 22,382.24 : x
  2. Step 2: Convert to fraction form
    81,546.12/122,319.27 = 22,382.24/x
  3. Step 3: Cross multiply
    81,546.12x = 122,319.27 × 22,382.24
  4. Step 4: Simplify right side
    81,546.12x = 2,737,778,646.17
  5. Step 5: Solve for x
    x = 2,737,778,646.17/81,546.12
  6. Step 6: Final answer
    x = 33,573.38

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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.