Home / 105,249.51-145,198.04-62,783.44

Finding the Fourth Proportional to 105,249.51, 145,198.04 and 62,783.44

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Solution

The fourth proportional to 105,249.51, 145,198.04 and 62,783.44 is: 86,613.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,249.51 : 145,198.04 = 62,783.44 : x
  2. Step 2: Convert to fraction form
    105,249.51/145,198.04 = 62,783.44/x
  3. Step 3: Cross multiply
    105,249.51x = 145,198.04 × 62,783.44
  4. Step 4: Simplify right side
    105,249.51x = 9,116,031,755.55
  5. Step 5: Solve for x
    x = 9,116,031,755.55/105,249.51
  6. Step 6: Final answer
    x = 86,613.53

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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.