Home / 64,942.08-97,416.88-18,198.60

Finding the Fourth Proportional to 64,942.08, 97,416.88 and 18,198.60

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Solution

The fourth proportional to 64,942.08, 97,416.88 and 18,198.60 is: 27,298.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,942.08 : 97,416.88 = 18,198.60 : x
  2. Step 2: Convert to fraction form
    64,942.08/97,416.88 = 18,198.60/x
  3. Step 3: Cross multiply
    64,942.08x = 97,416.88 × 18,198.60
  4. Step 4: Simplify right side
    64,942.08x = 1,772,850,832.37
  5. Step 5: Solve for x
    x = 1,772,850,832.37/64,942.08
  6. Step 6: Final answer
    x = 27,298.95

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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.