Home / 76,749.18-115,151.31-26,843.01

Finding the Fourth Proportional to 76,749.18, 115,151.31 and 26,843.01

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Solution

The fourth proportional to 76,749.18, 115,151.31 and 26,843.01 is: 40,274.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,749.18 : 115,151.31 = 26,843.01 : x
  2. Step 2: Convert to fraction form
    76,749.18/115,151.31 = 26,843.01/x
  3. Step 3: Cross multiply
    76,749.18x = 115,151.31 × 26,843.01
  4. Step 4: Simplify right side
    76,749.18x = 3,091,007,765.84
  5. Step 5: Solve for x
    x = 3,091,007,765.84/76,749.18
  6. Step 6: Final answer
    x = 40,274.15

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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.