Home / 75,099.78-112,662.09-35,635.35

Finding the Fourth Proportional to 75,099.78, 112,662.09 and 35,635.35

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Solution

The fourth proportional to 75,099.78, 112,662.09 and 35,635.35 is: 53,458.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,099.78 : 112,662.09 = 35,635.35 : x
  2. Step 2: Convert to fraction form
    75,099.78/112,662.09 = 35,635.35/x
  3. Step 3: Cross multiply
    75,099.78x = 112,662.09 × 35,635.35
  4. Step 4: Simplify right side
    75,099.78x = 4,014,753,008.88
  5. Step 5: Solve for x
    x = 4,014,753,008.88/75,099.78
  6. Step 6: Final answer
    x = 53,458.92

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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.