Home / 75,768.39-113,668.98-29,021.25

Finding the Fourth Proportional to 75,768.39, 113,668.98 and 29,021.25

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Solution

The fourth proportional to 75,768.39, 113,668.98 and 29,021.25 is: 43,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,768.39 : 113,668.98 = 29,021.25 : x
  2. Step 2: Convert to fraction form
    75,768.39/113,668.98 = 29,021.25/x
  3. Step 3: Cross multiply
    75,768.39x = 113,668.98 × 29,021.25
  4. Step 4: Simplify right side
    75,768.39x = 3,298,815,885.83
  5. Step 5: Solve for x
    x = 3,298,815,885.83/75,768.39
  6. Step 6: Final answer
    x = 43,538.15

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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.