Home / 72,992.22-100,729.08-41,160.88

Finding the Fourth Proportional to 72,992.22, 100,729.08 and 41,160.88

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Solution

The fourth proportional to 72,992.22, 100,729.08 and 41,160.88 is: 56,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,992.22 : 100,729.08 = 41,160.88 : x
  2. Step 2: Convert to fraction form
    72,992.22/100,729.08 = 41,160.88/x
  3. Step 3: Cross multiply
    72,992.22x = 100,729.08 × 41,160.88
  4. Step 4: Simplify right side
    72,992.22x = 4,146,097,574.39
  5. Step 5: Solve for x
    x = 4,146,097,574.39/72,992.22
  6. Step 6: Final answer
    x = 56,801.91

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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.