Home / 99,249.64-148,790.77-43,047.42

Finding the Fourth Proportional to 99,249.64, 148,790.77 and 43,047.42

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Solution

The fourth proportional to 99,249.64, 148,790.77 and 43,047.42 is: 64,534.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,249.64 : 148,790.77 = 43,047.42 : x
  2. Step 2: Convert to fraction form
    99,249.64/148,790.77 = 43,047.42/x
  3. Step 3: Cross multiply
    99,249.64x = 148,790.77 × 43,047.42
  4. Step 4: Simplify right side
    99,249.64x = 6,405,059,181.82
  5. Step 5: Solve for x
    x = 6,405,059,181.82/99,249.64
  6. Step 6: Final answer
    x = 64,534.83

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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.