Home / 79,083.01-109,137.18-43,272.24

Finding the Fourth Proportional to 79,083.01, 109,137.18 and 43,272.24

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Solution

The fourth proportional to 79,083.01, 109,137.18 and 43,272.24 is: 59,717.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,083.01 : 109,137.18 = 43,272.24 : x
  2. Step 2: Convert to fraction form
    79,083.01/109,137.18 = 43,272.24/x
  3. Step 3: Cross multiply
    79,083.01x = 109,137.18 × 43,272.24
  4. Step 4: Simplify right side
    79,083.01x = 4,722,610,245.88
  5. Step 5: Solve for x
    x = 4,722,610,245.88/79,083.01
  6. Step 6: Final answer
    x = 59,717.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.