Home / 81,733.32-122,609.58-29,150.28

Finding the Fourth Proportional to 81,733.32, 122,609.58 and 29,150.28

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Solution

The fourth proportional to 81,733.32, 122,609.58 and 29,150.28 is: 43,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,733.32 : 122,609.58 = 29,150.28 : x
  2. Step 2: Convert to fraction form
    81,733.32/122,609.58 = 29,150.28/x
  3. Step 3: Cross multiply
    81,733.32x = 122,609.58 × 29,150.28
  4. Step 4: Simplify right side
    81,733.32x = 3,574,103,587.68
  5. Step 5: Solve for x
    x = 3,574,103,587.68/81,733.32
  6. Step 6: Final answer
    x = 43,728.84

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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.