Home / 112,491.62-168,820.32-53,327.06

Finding the Fourth Proportional to 112,491.62, 168,820.32 and 53,327.06

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Solution

The fourth proportional to 112,491.62, 168,820.32 and 53,327.06 is: 80,029.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,491.62 : 168,820.32 = 53,327.06 : x
  2. Step 2: Convert to fraction form
    112,491.62/168,820.32 = 53,327.06/x
  3. Step 3: Cross multiply
    112,491.62x = 168,820.32 × 53,327.06
  4. Step 4: Simplify right side
    112,491.62x = 9,002,691,333.86
  5. Step 5: Solve for x
    x = 9,002,691,333.86/112,491.62
  6. Step 6: Final answer
    x = 80,029.88

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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.