Home / 81,832.92-122,530.50-46,724.28

Finding the Fourth Proportional to 81,832.92, 122,530.50 and 46,724.28

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Solution

The fourth proportional to 81,832.92, 122,530.50 and 46,724.28 is: 69,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,832.92 : 122,530.50 = 46,724.28 : x
  2. Step 2: Convert to fraction form
    81,832.92/122,530.50 = 46,724.28/x
  3. Step 3: Cross multiply
    81,832.92x = 122,530.50 × 46,724.28
  4. Step 4: Simplify right side
    81,832.92x = 5,725,149,390.54
  5. Step 5: Solve for x
    x = 5,725,149,390.54/81,832.92
  6. Step 6: Final answer
    x = 69,961.45

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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.